| Wednesday, February 20 |
| Former Red Syl Johnson dies in Portland, OR at the age of 85. |
| Monday, April 8 |
| » Defeated Expos (0-1), 4-1 | Riverfront Stadium (1-0) | 1-0 | |
| » W: Mario Soto (1-0) L: Steve Rogers (0-1) S: Carl Willis (1) | First | -- |
| » Major-league debuts: Tim Burke (Expos) |
| Wednesday, April 10 |
| » Lost to Expos (1-1), 4-1 | Riverfront Stadium (1-1) | 1-1 | |
| » W: Bill Gullickson (1-0) L: Jay Tibbs (0-1) | Second | ½ out |
| Friday, April 12 |
| » Lost to Mets (3-0), 1-0 | Shea Stadium (0-1) | 1-2 | Lost 2 |
| » W: Bruce Berenyi (1-0) L: Mario Soto (1-1) S: Doug Sisk (1) | Third | 1 out |
| Saturday, April 13 |
| » Lost to Mets (4-0), 2-1 | Shea Stadium (0-2) | 1-3 | Lost 3 |
| » W: Roger McDowell (2-0) L: John Franco (0-1) | Fifth | 2 out |
| Sunday, April 14 |
| » Lost to Mets (5-0), 4-0 | Shea Stadium (0-3) | 1-4 | Lost 4 |
| » W: Dwight Gooden (1-0) L: Jay Tibbs (0-2) | Fifth | 3 out |
| Monday, April 15 |
| » Defeated Braves (4-2), 9-8 | Atlanta-Fulton County Stadium (1-0) | 2-4 | |
| » W: John Stuper (1-0) L: Pascual Perez (0-1) S: Ted Power (1) | Fifth | 2 out |
| Tuesday, April 16 |
| » Defeated Braves (4-3), 2-1 | Atlanta-Fulton County Stadium (2-0) | 3-4 | Won 2 |
| » W: Mario Soto (2-1) L: Rick Camp (0-2) | Third | 1 out |
| Former Red Benny Zientara dies in Lake Elsinore, CA at the age of 68. |
| Wednesday, April 17 |
| » Defeated Braves (4-4), 6-1 | Atlanta-Fulton County Stadium (3-0) | 4-4 | Won 3 |
| » W: Tom Browning (1-0) L: Steve Bedrosian (0-1) | Third | ½ out |
| Thursday, April 18 |
| » Defeated Giants (3-5), 4-3 | Riverfront Stadium (2-1) | 5-4 | Won 4 |
| » W: Carl Willis (1-0) L: Greg Minton (0-1) | Second | ½ out |
| Friday, April 19 |
| » Defeated Giants (3-6), 4-2 | Riverfront Stadium (3-1) | 6-4 | Won 5 |
| » W: John Stuper (2-0) L: Bill Laskey (0-1) S: Ted Power (2) | First | -- |
| Saturday, April 20 |
| » Defeated Giants (3-7), 2-1 | Riverfront Stadium (4-1) | 7-4 | Won 6 |
| » W: Mario Soto (3-1) L: Frank Williams (0-1) | First | -- |
| Sunday, April 21 |
| » Defeated Giants (3-8), 1-0 | Riverfront Stadium (5-1) | 8-4 | Won 7 |
| » W: Tom Browning (2-0) L: Atlee Hammaker (0-2) S: Ted Power (3) | First | -- |
| Monday, April 22 |
| » Lost to Astros (7-6), 4-1 | Astrodome (0-1) | 8-5 | |
| » W: Mike Scott (1-0) L: Jay Tibbs (0-3) S: Dave Smith (2) | First | -- |
| Tuesday, April 23 |
| » Lost to Astros (8-6), 6-4 | Astrodome (0-2) | 8-6 | Lost 2 |
| » W: Ron Mathis (1-1) L: John Stuper (2-1) S: Dave Smith (3) | First | -- |
| Wednesday, April 24 |
| » Defeated Astros (8-7), 8-3 | Astrodome (1-2) | 9-6 | |
| » W: Mario Soto (4-1) L: Frank DiPino (0-2) | First | -- |
| Thursday, April 25 |
| » Lost to Giants (5-10), 7-3 | Candlestick Park (0-1) | 9-7 | |
| » W: Mark Davis (1-1) L: Tom Hume (0-1) | Second | ½ out |
| Friday, April 26 |
| » Lost to Giants (6-10), 7-6 | Candlestick Park (0-2) | 9-8 | Lost 2 |
| » W: Vida Blue (2-0) L: Ted Power (0-1) | Second | 1½ out |
| Saturday, April 27 |
| » Defeated Giants (6-11), 2-1 | Candlestick Park (1-2) | 10-8 | |
| » W: John Stuper (3-1) L: Dave LaPoint (0-4) | Second | ½ out |
| Sunday, April 28 |
| » Lost to Giants (7-11), 2-1 | Candlestick Park (1-3) | 10-9 | |
| » W: Greg Minton (1-1) L: Tom Hume (0-2) | Third | ½ out |
| Tuesday, April 30 |
| » Lost to Braves (9-10), 8-4 | Riverfront Stadium (5-2) | 10-10 | Lost 2 |
| » W: Gene Garber (1-0) L: Jay Tibbs (0-4) | Third | ½ out |
| Wednesday, May 1 |
| » Lost to Braves (10-10), 17-9 | Riverfront Stadium (5-3) | 10-11 | Lost 3 |
| » W: Rick Mahler (6-0) L: John Stuper (3-2) | Fifth | 1½ out |
| Friday, May 3 |
| » Lost to Mets (13-7), 9-4 | Riverfront Stadium (5-4) | 10-12 | Lost 4 |
| » W: Ed Lynch (1-1) L: Mario Soto (4-2) | Fifth | 2½ out |
| Saturday, May 4 |
| » Defeated Mets (13-8), 14-2 | Riverfront Stadium (6-4) | 11-12 | |
| » W: Jay Tibbs (1-4) L: Roger McDowell (2-1) | Third | 1½ out |
| Sunday, May 5 |
| » Lost to Mets (14-8), 3-2 | Riverfront Stadium (6-5) | 11-13 | |
| » W: Dwight Gooden (4-1) L: Tom Browning (2-1) S: Jesse Orosco (3) | Fifth | 2 out |
| Tuesday, May 7 |
| » Defeated Phillies (10-14), 2-0 | Veteran's Stadium (1-0) | 12-13 | |
| » W: Mario Soto (5-2) L: Kevin Gross (2-3) S: Ted Power (4) | Fourth | 1½ out |
| Wednesday, May 8 |
| » Defeated Phillies (10-15), 8-2 | Veteran's Stadium (2-0) | 13-13 | Won 2 |
| » W: Jay Tibbs (2-4) L: John Denny (1-3) | Third | 1½ out |
| Friday, May 10 |
| » Defeated Astros (13-14), 5-2 | Riverfront Stadium (7-5) | 14-13 | Won 3 |
| » W: Tom Browning (3-1) L: Frank DiPino (1-4) S: Ted Power (5) | Third | 1 out |
| Saturday, May 11 |
| » Lost to Astros (14-14), 10-7 | Riverfront Stadium (7-6) | 14-14 | |
| » W: Julio Solano (1-0) L: Mario Soto (5-3) S: Dave Smith (4) | Third | 2 out |
| Sunday, May 12 |
| » Lost to Astros (15-14), 10-5 | Riverfront Stadium (7-7) | 14-15 | Lost 2 |
| » W: Bob Knepper (4-0) L: Jay Tibbs (2-5) S: Jeff Calhoun (2) | Fourth | 3 out |
| Monday, May 13 |
| » Defeated Phillies (10-19), 7-3 | Riverfront Stadium (8-7) | 15-15 | |
| » W: John Stuper (4-2) L: John Denny (1-4) | Fourth | 2½ out |
| Tuesday, May 14 |
| » Lost to Phillies (11-19), 7-1 | Riverfront Stadium (8-8) | 15-16 | |
| » W: Charles Hudson (1-2) L: Tom Browning (3-2) | Fourth | 3½ out |
| Wednesday, May 15 |
| » Defeated Expos (19-13), 2-1 | Stade Olympique (1-0) | 16-16 | |
| » W: Joe Price (1-0) L: Bryn Smith (5-1) S: Ted Power (6) | Third | 2½ out |
| Thursday, May 16 |
| » Defeated Expos (19-14), 4-2 | Stade Olympique (2-0) | 17-16 | Won 2 |
| » W: Jay Tibbs (3-5) L: Bill Gullickson (4-4) S: Tom Hume (1) | Third | 2 out |
| Friday, May 17 |
| » Defeated Pirates (10-22), 6-3 | Three Rivers Stadium (1-0) | 18-16 | Won 3 |
| » W: John Stuper (5-2) L: Jose DeLeon (0-6) S: Ted Power (7) | Second | 1 out |
| Saturday, May 18 |
| » Defeated Pirates (10-23), 8-0 | Three Rivers Stadium (2-0) | 19-16 | Won 4 |
| » W: Tom Browning (4-2) L: Mike Bielecki (1-3) | Second | 1 out |
| Sunday, May 19 |
| » Defeated Pirates (10-24), 7-1 | Three Rivers Stadium (3-0) | 20-16 | Won 5 |
| » W: Mario Soto (6-3) L: Lee Tunnell (0-5) | Second | 1 out |
| Monday, May 20 |
| » Lost to Cubs (21-13), 6-1 | Wrigley Field (0-1) | 20-17 | |
| » W: Scott Sanderson (3-1) L: Jay Tibbs (3-6) | Second | 2 out |
| Tuesday, May 21 |
| » Defeated Cubs (21-14), 5-2 | Wrigley Field (1-1) | 21-17 | |
| » W: Tom Hume (1-2) L: George Frazier (1-1) S: Ted Power (8) | Second | 1½ out |
| Wednesday, May 22 |
| » Lost to Cubs (22-14), 7-4 | Wrigley Field (1-2) | 21-18 | |
| » W: Dennis Eckersley (5-3) L: Tom Browning (4-3) S: Lee Smith (10) | Second | 2½ out |
| Friday, May 24 |
| » Defeated Cardinals (19-20), 7-6 | Riverfront Stadium (9-8) | 22-18 | |
| » W: John Franco (1-1) L: Ricky Horton (0-1) | Second | 2½ out |
| Saturday, May 25 |
| » Lost to Cardinals (20-20), 6-4 | Riverfront Stadium (9-9) | 22-19 | |
| » W: Joaquin Andujar (8-1) L: Jay Tibbs (3-7) S: Ken Dayley (4) | Second | 3½ out |
| Sunday, May 26 |
| » Lost to Cardinals (21-20), 7-2 | Riverfront Stadium (9-10) | 22-20 | Lost 2 |
| » W: Danny Cox (5-1) L: John Stuper (5-3) | Second | 4½ out |
| Monday, May 27 |
| » Lost to Cubs (25-15), 4-3 | Riverfront Stadium (9-11) | 22-21 | Lost 3 |
| » W: Dennis Eckersley (6-3) L: Tom Browning (4-4) S: Lee Smith (12) | Third | 4½ out |
| Tuesday, May 28 |
| » Defeated Cubs (25-16), 13-11 | Riverfront Stadium (10-11) | 23-21 | |
| » W: John Franco (2-1) L: Lary Sorensen (1-1) | Second | 3½ out |
| Wednesday, May 29 |
| » Defeated Cubs (25-17), 1-0 | Riverfront Stadium (11-11) | 24-21 | Won 2 |
| » W: Mario Soto (7-3) L: Dick Ruthven (1-4) | Second | 2½ out |
| Friday, May 31 |
| » Lost to Cardinals (24-21), 5-0 | Busch Stadium II (0-1) | 24-22 | |
| » W: Danny Cox (6-1) L: John Stuper (5-4) | Second | 4 out |
| Saturday, June 1 |
| » Defeated Cardinals (24-22), 9-3 | Busch Stadium II (1-1) | 25-22 | |
| » W: Tom Browning (5-4) L: Kurt Kepshire (2-5) S: Tom Hume (2) | Second | 3 out |
| Sunday, June 2 |
| » Defeated Cardinals (24-23), 8-3 | Busch Stadium II (2-1) | 26-22 | Won 2 |
| » W: Jay Tibbs (4-7) L: Bob Forsch (4-3) | Second | 2 out |
| Tuesday, June 4 |
| » Defeated Pirates (17-30), 9-3 | Riverfront Stadium (12-11) | 27-22 | Won 3 |
| » W: Mario Soto (8-3) L: Cecilio Guante (1-1) | Second | 1½ out |
| Wednesday, June 5 |
| » Defeated Pirates (17-31), 11-9 | Riverfront Stadium (13-11) | 28-22 | Won 4 |
| » W: Frank Pastore (1-0) L: Don Robinson (2-1) S: John Franco (1) | Second | 1½ out |
| Friday, June 7 |
| » Lost to Padres (30-20), 9-3 | Riverfront Stadium (13-12) | 28-23 | |
| » W: Mark Thurmond (3-3) L: Tom Browning (5-5) S: Luis DeLeon (2) | Second | 3½ out |
| » Lost to Padres (31-20), 3-2 | Riverfront Stadium (13-13) | 28-24 | Lost 2 |
| » W: Craig Lefferts (3-2) L: Ted Power (0-2) | Second | 3½ out |
| Saturday, June 8 |
| » Defeated Padres (31-21), 7-4 | Riverfront Stadium (14-13) | 29-24 | |
| » W: Joe Price (2-0) L: Dave Dravecky (4-4) S: John Franco (2) | Second | 2½ out |
| Sunday, June 9 |
| » Lost to Padres (32-21), 5-3 | Riverfront Stadium (14-14) | 29-25 | |
| » W: Andy Hawkins (11-0) L: Mario Soto (8-4) | Second | 3½ out |
| Monday, June 10 |
| » Lost to Dodgers (28-28), 7-4 | Riverfront Stadium (14-15) | 29-26 | Lost 2 |
| » W: Rick Honeycutt (4-5) L: John Stuper (5-5) S: Ken Howell (6) | Second | 4½ out |
| Thursday, June 13 |
| » Defeated Braves (24-32), 9-2 | Atlanta-Fulton County Stadium (4-0) | 30-26 | |
| » W: John Franco (3-1) L: Gene Garber (1-3) | Third | 3½ out |
| Friday, June 14 |
| » Lost to Braves (25-32), 6-4 | Atlanta-Fulton County Stadium (4-1) | 30-27 | |
| » W: Bruce Sutter (3-1) L: Mario Soto (8-5) | Third | 3½ out |
| Saturday, June 15 |
| » Lost to Braves (26-32), 7-0 | Atlanta-Fulton County Stadium (4-2) | 30-28 | Lost 2 |
| » W: Steve Bedrosian (3-5) L: Joe Price (2-1) | Third | 4½ out |
| Sunday, June 16 |
| » Defeated Braves (26-33), 6-5 | Atlanta-Fulton County Stadium (5-2) | 31-28 | |
| » W: Ted Power (1-2) L: Bruce Sutter (3-2) S: John Franco (3) | Second | 3 out |
| Monday, June 17 |
| » Lost to Giants (25-37), 4-0 | Candlestick Park (1-4) | 31-29 | |
| » W: Atlee Hammaker (3-6) L: Jay Tibbs (4-8) | Third | 4 out |
| Tuesday, June 18 |
| » Defeated Giants (25-38), 6-1 | Candlestick Park (2-4) | 32-29 | |
| » W: Frank Pastore (2-0) L: Bill Laskey (1-8) | Second | 4 out |
| Wednesday, June 19 |
| » Lost to Giants (26-38), 5-2 | Candlestick Park (2-5) | 32-30 | |
| » W: Dave LaPoint (3-6) L: Mario Soto (8-6) S: Scott Garrelts (5) | Third | 4 out |
| Friday, June 21 |
| » Defeated Braves (27-37), 4-2 | Riverfront Stadium (15-15) | 33-30 | |
| » W: Tom Browning (6-5) L: Steve Shields (1-2) S: Ted Power (9) | Fourth | 5 out |
| » Lost to Braves (28-37), 5-4 | Riverfront Stadium (15-16) | 33-31 | |
| » W: Rick Camp (2-3) L: Jay Tibbs (4-9) S: Bruce Sutter (10) | Fourth | 5 out |
| Saturday, June 22 |
| » Defeated Braves (28-38), 4-3 | Riverfront Stadium (16-16) | 34-31 | |
| » W: Ron Robinson (1-0) L: Terry Forster (0-2) | Third | 5 out |
| Sunday, June 23 |
| » Lost to Braves (29-38), 2-1 | Riverfront Stadium (16-17) | 34-32 | |
| » W: Steve Bedrosian (4-6) L: Frank Pastore (2-1) S: Bruce Sutter (11) | Third | 6 out |
| Tuesday, June 25 |
| » Defeated Giants (26-43), 7-6 | Riverfront Stadium (17-17) | 35-32 | |
| » W: John Stuper (6-5) L: Mark Davis (3-5) S: Ted Power (10) | Third | 5 out |
| Wednesday, June 26 |
| » Defeated Giants (26-44), 6-4 | Riverfront Stadium (18-17) | 36-32 | Won 2 |
| » W: Tom Browning (7-5) L: Mike Krukow (5-5) S: Ted Power (11) | Second | 5 out |
| Former Red Wes Schulmerich dies in Corvallis, OR at the age of 84. |
| Thursday, June 27 |
| » Defeated Giants (26-45), 7-6 | Riverfront Stadium (19-17) | 37-32 | Won 3 |
| » W: Ron Robinson (2-0) L: Jim Gott (3-5) S: Ted Power (12) | Second | 5 out |
| Friday, June 28 |
| » Defeated Padres (43-29), 11-9 | San Diego/Jack Murphy Stadium (1-0) | 38-32 | Won 4 |
| » W: Ron Robinson (3-0) L: Eric Show (6-5) S: Ted Power (13) | Second | 4 out |
| Saturday, June 29 |
| » Lost to Padres (44-29), 3-0 | San Diego/Jack Murphy Stadium (1-1) | 38-33 | |
| » W: Dave Dravecky (8-4) L: Mario Soto (8-7) | Second | 5 out |
| Sunday, June 30 |
| » Defeated Padres (44-30), 3-2 | San Diego/Jack Murphy Stadium (2-1) | 39-33 | |
| » W: John Franco (4-1) L: Andy Hawkins (11-2) | Second | 4 out |
| Monday, July 1 |
| » Lost to Dodgers (39-34), 8-1 | Dodger Stadium (0-1) | 39-34 | |
| » W: Orel Hershiser (8-2) L: Jay Tibbs (4-10) | Second | 5 out |
| Tuesday, July 2 |
| » Lost to Dodgers (40-34), 3-0 | Dodger Stadium (0-2) | 39-35 | Lost 2 |
| » W: Fernando Valenzuela (8-8) L: Joe Price (2-2) | Third | 5 out |
| Former Red Guy Bush dies in Shannon, MS at the age of 84. |
| Thursday, July 4 |
| » Lost to Phillies (34-42), 3-1 | Veteran's Stadium (2-1) | 39-36 | Lost 3 |
| » W: Kevin Gross (7-7) L: Mario Soto (8-8) | Third | 6 out |
| Friday, July 5 |
| » Lost to Phillies (35-42), 5-2 | Veteran's Stadium (2-2) | 39-37 | Lost 4 |
| » W: Larry Andersen (3-2) L: Tom Browning (7-6) S: Don Carman (3) | Third | 6 out |
| Saturday, July 6 |
| » Defeated Phillies (35-43), 4-2 | Veteran's Stadium (3-2) | 40-37 | |
| » W: Ron Robinson (4-0) L: John Denny (5-7) S: Ted Power (14) | Third | 5 out |
| Sunday, July 7 |
| » Defeated Phillies (35-44), 3-2 | Veteran's Stadium (4-2) | 41-37 | Won 2 |
| » W: John Franco (5-1) L: Kent Tekulve (4-4) S: Ted Power (15) | Third | 5 out |
| Monday, July 8 |
| » Lost to Mets (45-35), 7-5 | Riverfront Stadium (19-18) | 41-38 | |
| » W: Ed Lynch (6-5) L: Jay Tibbs (4-11) S: Jesse Orosco (8) | Third | 5½ out |
| Tuesday, July 9 |
| » Lost to Mets (46-35), 11-2 | Riverfront Stadium (19-19) | 41-39 | Lost 2 |
| » W: Dwight Gooden (12-3) L: Mario Soto (8-9) | Third | 5½ out |
| Wednesday, July 10 |
| » Lost to Mets (47-35), 2-1 | Riverfront Stadium (19-20) | 41-40 | Lost 3 |
| » W: Rick Aguilera (3-2) L: Tom Browning (7-7) | Third | 5½ out |
| Thursday, July 11 |
| » Defeated Expos (48-37), 2-0 | Riverfront Stadium (20-20) | 42-40 | |
| » W: Ron Robinson (5-0) L: Joe Hesketh (5-4) S: Ted Power (16) | Third | 4½ out |
| Friday, July 12 |
| » Defeated Expos (48-38), 5-4 | Riverfront Stadium (21-20) | 43-40 | Won 2 |
| » W: John Franco (6-1) L: Randy St.claire (3-2) | Third | 4½ out |
| Saturday, July 13 |
| » Lost to Expos (49-38), 6-3 | Riverfront Stadium (21-21) | 43-41 | |
| » W: Bill Gullickson (8-6) L: Mario Soto (8-10) S: Tim Burke (4) | Third | 5 out |
| » Major-league debuts: Bob Buchanan (Reds) |
| Sunday, July 14 |
| » Defeated Expos (49-39), 5-4 | Riverfront Stadium (22-21) | 44-41 | |
| » W: Ted Power (2-2) L: Gary Lucas (3-2) | Third | 4 out |
| Thursday, July 18 |
| » Lost to Phillies (38-49), 6-3 | Riverfront Stadium (22-22) | 44-42 | |
| » W: Jerry Koosman (4-2) L: Mario Soto (8-11) S: Kent Tekulve (9) | Third | 5 out |
| Friday, July 19 |
| » Defeated Phillies (38-50), 3-2 | Riverfront Stadium (23-22) | 45-42 | |
| » W: John Franco (7-1) L: Kent Tekulve (4-5) | Third | 5 out |
| Saturday, July 20 |
| » Lost to Phillies (39-50), 10-6 | Riverfront Stadium (23-23) | 45-43 | |
| » W: Shane Rawley (7-6) L: Ron Robinson (5-1) S: Kent Tekulve (10) | Third | 6 out |
| Sunday, July 21 |
| » Defeated Phillies (39-51), 7-6 | Riverfront Stadium (24-23) | 46-43 | |
| » W: John Franco (8-1) L: Don Carman (2-3) S: Ted Power (17) | Third | 5 out |
| Monday, July 22 |
| » Defeated Mets (53-38), 5-1 | Shea Stadium (1-3) | 47-43 | Won 2 |
| » W: Mario Soto (9-11) L: Sid Fernandez (3-6) | Third | 4 out |
| Tuesday, July 23 |
| » Defeated Mets (53-39), 4-0 | Shea Stadium (2-3) | 48-43 | Won 3 |
| » W: Tom Browning (8-7) L: Ron Darling (10-3) | Third | 4 out |
| Wednesday, July 24 |
| » Defeated Mets (53-40), 3-2 | Shea Stadium (3-3) | 49-43 | Won 4 |
| » W: John Franco (9-1) L: Roger McDowell (5-4) S: Ted Power (18) | Third | 4 out |
| Former Red Ted Kleinhans dies in Redington Beach, FL at the age of 87. |
| Thursday, July 25 |
| » Lost to Expos (55-41), 1-0 | Stade Olympique (2-1) | 49-44 | |
| » W: Bill Gullickson (10-6) L: Tom Hume (1-3) S: Jeff Reardon (25) | Third | 5 out |
| Friday, July 26 |
| » Defeated Expos (55-42), 7-6 | Stade Olympique (3-1) | 50-44 | |
| » W: Bob Buchanan (1-0) L: Jeff Reardon (2-4) | Third | 5 out |
| Saturday, July 27 |
| » Defeated Expos (55-43), 7-6 | Stade Olympique (4-1) | 51-44 | Won 2 |
| » W: Tom Browning (9-7) L: David Palmer (6-9) S: Tom Hume (3) | Third | 5 out |
| Sunday, July 28 |
| » Lost to Expos (56-43), 6-0 | Stade Olympique (4-2) | 51-45 | |
| » W: Joe Hesketh (8-4) L: Ron Robinson (5-2) | Third | 5 out |
| Tuesday, July 30 |
| » Defeated Astros (45-55), 4-1 | Riverfront Stadium (25-23) | 52-45 | |
| » W: Mario Soto (10-11) L: Nolan Ryan (8-9) | Third | 5½ out |
| Wednesday, July 31 |
| » Lost to Astros (46-55), 9-2 | Riverfront Stadium (25-24) | 52-46 | |
| » W: Mike Scott (10-5) L: Tom Browning (9-8) | Third | 5½ out |
| Thursday, August 1 |
| » Defeated Astros (46-56), 5-2 | Riverfront Stadium (26-24) | 53-46 | |
| » W: Andy McGaffigan (1-0) L: Bob Knepper (8-9) | Third | 5 out |
| Friday, August 2 |
| » Lost to Dodgers (59-41), 5-3 | Riverfront Stadium (26-25) | 53-47 | |
| » W: Orel Hershiser (12-3) L: Ron Robinson (5-3) S: Tom Niedenfuer (9) | Second | 5 out |
| » Defeated Dodgers (59-42), 5-2 | Riverfront Stadium (27-25) | 54-47 | |
| » W: Jay Tibbs (5-11) L: Rick Honeycutt (6-10) | Second | 5 out |
| Saturday, August 3 |
| » Lost to Dodgers (60-42), 2-0 | Riverfront Stadium (27-26) | 54-48 | |
| » W: Bob Welch (7-1) L: Mario Soto (10-12) | Third | 6 out |
| Sunday, August 4 |
| » Defeated Dodgers (60-43), 5-4 | Riverfront Stadium (28-26) | 55-48 | |
| » W: Ted Power (3-2) L: Ken Howell (4-5) | Second | 5 out |
| Monday, August 5 |
| » Defeated Padres (55-51), 8-7 | Riverfront Stadium (29-26) | 56-48 | Won 2 |
| » W: Tom Hume (2-3) L: Roy Lee Jackson (0-2) S: Ted Power (19) | Second | 5 out |
| Thursday, August 8 |
| » Defeated Dodgers (61-44), 6-5 | Dodger Stadium (1-2) | 57-48 | Won 3 |
| » W: Ted Power (4-2) L: Carlos Diaz (2-1) S: Ron Robinson (1) | Second | 4 out |
| Friday, August 9 |
| » Lost to Dodgers (62-44), 3-1 | Dodger Stadium (1-3) | 57-49 | |
| » W: Bob Welch (8-1) L: Tom Browning (9-9) | Second | 5 out |
| » Major-league debuts: Tom Runnells (Reds) |
| Saturday, August 10 |
| » Lost to Dodgers (63-44), 2-1 | Dodger Stadium (1-4) | 57-50 | Lost 2 |
| » W: Fernando Valenzuela (13-8) L: Jay Tibbs (5-12) | Second | 6 out |
| Sunday, August 11 |
| » Lost to Dodgers (64-44), 4-0 | Dodger Stadium (1-5) | 57-51 | Lost 3 |
| » W: Jerry Reuss (10-7) L: Andy McGaffigan (1-1) | Second | 7 out |
| Monday, August 12 |
| » Lost to Padres (59-52), 2-0 | San Diego/Jack Murphy Stadium (2-2) | 57-52 | Lost 4 |
| » W: Mark Thurmond (4-7) L: Mario Soto (10-13) S: Lance McCullers (1) | Third | 8 out |
| » Major-league debuts: Lance McCullers (Padres) |
| Tuesday, August 13 |
| » Defeated Padres (59-53), 3-2 | San Diego/Jack Murphy Stadium (3-2) | 58-52 | |
| » W: Tom Browning (10-9) L: La Marr Hoyt (13-7) S: John Franco (4) | Third | 8 out |
| Wednesday, August 14 |
| » Lost to Padres (60-53), 4-1 | San Diego/Jack Murphy Stadium (3-3) | 58-53 | |
| » W: Dave Dravecky (10-7) L: Jay Tibbs (5-13) | Third | 9 out |
| Thursday, August 15 |
| » Defeated Padres (60-54), 5-4 | San Diego/Jack Murphy Stadium (4-3) | 59-53 | |
| » W: John Franco (10-1) L: Gene Walter (0-1) S: Joe Price (1) | Second | 9 out |
| Friday, August 16 |
| » Lost to Astros (54-60), 5-4 | Astrodome (1-3) | 59-54 | |
| » W: Dave Smith (6-4) L: Ted Power (4-3) | Third | 10 out |
| Saturday, August 17 |
| » Defeated Astros (54-61), 8-0 | Astrodome (2-3) | 60-54 | |
| » W: Tom Browning (11-9) L: Joe Niekro (9-10) | Third | 9 out |
| Sunday, August 18 |
| » Defeated Astros (54-62), 8-3 | Astrodome (3-3) | 61-54 | Won 2 |
| » W: Jay Tibbs (6-13) L: Nolan Ryan (8-11) S: John Franco (5) | Third | 8 out |
| Tuesday, August 20 |
| » Lost to Pirates (36-79), 3-2 | Three Rivers Stadium (3-1) | 61-55 | |
| » W: Rick Reuschel (9-6) L: Mario Soto (10-14) | Third | 9 out |
| Wednesday, August 21 |
| » Defeated Pirates (36-80), 8-5 | Three Rivers Stadium (4-1) | 62-55 | |
| » W: Tom Browning (12-9) L: Bob Walk (0-1) S: John Franco (6) | Third | 9 out |
| Thursday, August 22 |
| » Lost to Pirates (37-80), 5-1 | Three Rivers Stadium (4-2) | 62-56 | |
| » W: Rick Rhoden (8-13) L: Jay Tibbs (6-14) S: Rod Scurry (2) | Third | 9 out |
| Friday, August 23 |
| » Defeated Cubs (59-60), 3-2 | Riverfront Stadium (30-26) | 63-56 | |
| » W: John Franco (11-1) L: Lary Sorensen (3-5) | Third | 9 out |
| Saturday, August 24 |
| » Lost to Cubs (60-60), 4-0 | Riverfront Stadium (30-27) | 63-57 | |
| » W: George Frazier (7-5) L: Mario Soto (10-15) S: Lee Smith (28) | Third | 9 out |
| Sunday, August 25 |
| » Defeated Cubs (60-61), 5-3 | Riverfront Stadium (31-27) | 64-57 | |
| » W: Tom Browning (13-9) L: Warren Brusstar (3-3) S: John Franco (7) | Third | 8 out |
| Monday, August 26 |
| » Lost to Cardinals (76-46), 3-0 | Riverfront Stadium (31-28) | 64-58 | |
| » W: Danny Cox (14-7) L: Jay Tibbs (6-15) | Third | 9 out |
| Tuesday, August 27 |
| » Lost to Cardinals (77-46), 6-4 | Riverfront Stadium (31-29) | 64-59 | Lost 2 |
| » W: Bill Campbell (4-3) L: Ted Power (4-4) S: Jeff Lahti (16) | Third | 10 out |
| Wednesday, August 28 |
| » Defeated Cardinals (77-47), 7-6 | Riverfront Stadium (32-29) | 65-59 | |
| » W: Ted Power (5-4) L: Jeff Lahti (2-2) | Third | 9½ out |
| » Major-league debuts: Todd Worrell (Cardinals) |
| Thursday, August 29 |
| » Defeated Pirates (39-85), 6-0 | Riverfront Stadium (33-29) | 66-59 | Won 2 |
| » W: Tom Browning (14-9) L: Jose DeLeon (2-15) | Third | 8½ out |
| Friday, August 30 |
| » Defeated Pirates (39-86), 1-0 | Riverfront Stadium (34-29) | 67-59 | Won 3 |
| » W: Jay Tibbs (7-15) L: Rick Reuschel (10-7) | Third | 7½ out |
| Saturday, August 31 |
| » Lost to Pirates (40-86), 6-0 | Riverfront Stadium (34-30) | 67-60 | |
| » W: Bob Walk (1-1) L: Andy McGaffigan (1-2) | Third | 7½ out |
| Sunday, September 1 |
| » Defeated Pirates (40-87), 3-2 | Riverfront Stadium (35-30) | 68-60 | |
| » W: Mario Soto (11-15) L: Rod Scurry (0-1) S: John Franco (8) | Third | 6½ out |
| Monday, September 2 |
| » Defeated Cardinals (78-50), 4-1 | Busch Stadium II (3-1) | 69-60 | Won 2 |
| » W: Tom Browning (15-9) L: Joaquin Andujar (20-8) S: John Franco (9) | Second | 6½ out |
| Tuesday, September 3 |
| » Lost to Cardinals (79-50), 6-4 | Busch Stadium II (3-2) | 69-61 | |
| » W: Jeff Lahti (3-2) L: Tom Hume (2-4) | Second | 7½ out |
| » Major-league debuts: Paul O'Neill (Reds) |
| Wednesday, September 4 |
| » Lost to Cardinals (80-50), 4-3 | Busch Stadium II (3-3) | 69-62 | Lost 2 |
| » W: Todd Worrell (1-0) L: Ron Robinson (5-4) | Second | 8½ out |
| Friday, September 6 |
| » Defeated Cubs (63-70), 7-5 | Wrigley Field (2-2) | 70-62 | |
| » W: Mario Soto (12-15) L: Derek Botelho (1-3) | Second | 7½ out |
| Saturday, September 7 |
| » Lost to Cubs (64-70), 9-7 | Wrigley Field (2-3) | 70-63 | |
| » W: Jay Baller (1-3) L: John Franco (11-2) | Second | 8½ out |
| Sunday, September 8 |
| » Tied Cubs, 5-5 | Wrigley Field (2-3) | 70-63 | |
| » Starters: Jay Tibbs vs Reggie Patterson | Second | 8 out |
| Monday, September 9 |
| » Defeated Padres (70-66), 2-1 | Riverfront Stadium (36-30) | 71-63 | |
| » W: John Franco (12-2) L: Rich Gossage (3-3) | Second | 8 out |
| Tuesday, September 10 |
| » Lost to Padres (71-66), 3-2 | Riverfront Stadium (36-31) | 71-64 | |
| » W: La Marr Hoyt (14-8) L: Ron Robinson (5-5) S: Rich Gossage (22) | Second | 9½ out |
| Wednesday, September 11 |
| » Defeated Padres (71-67), 2-0 | Riverfront Stadium (37-31) | 72-64 | |
| » W: Tom Browning (16-9) L: Eric Show (9-10) S: Ted Power (20) | Second | 9½ out |
| Thursday, September 12 |
| » Defeated Padres (71-68), 2-1 | Riverfront Stadium (38-31) | 73-64 | Won 2 |
| » W: Jay Tibbs (8-15) L: Andy Hawkins (17-6) S: Ted Power (21) | Second | 8½ out |
| Friday, September 13 |
| » Lost to Dodgers (83-56), 8-2 | Riverfront Stadium (38-32) | 73-65 | |
| » W: Orel Hershiser (15-3) L: Andy McGaffigan (1-3) | Second | 8½ out |
| » Defeated Dodgers (83-57), 6-5 | Riverfront Stadium (39-32) | 74-65 | |
| » W: Ted Power (6-4) L: Tom Niedenfuer (7-6) | Second | 8½ out |
| » Major-league debuts: Rob Murphy (Reds) |
| Saturday, September 14 |
| » Lost to Dodgers (84-57), 7-0 | Riverfront Stadium (39-33) | 74-66 | |
| » W: Bob Welch (11-3) L: Ron Robinson (5-6) | Second | 9½ out |
| Sunday, September 15 |
| » Defeated Dodgers (84-58), 10-6 | Riverfront Stadium (40-33) | 75-66 | |
| » W: Tom Browning (17-9) L: Fernando Valenzuela (17-10) S: Ted Power (22) | Second | 8½ out |
| Monday, September 16 |
| » Defeated Giants (56-87), 7-6 | Riverfront Stadium (41-33) | 76-66 | Won 2 |
| » W: John Stuper (7-5) L: Mark Davis (5-10) | Second | 7½ out |
| Tuesday, September 17 |
| » Defeated Giants (56-88), 6-1 | Riverfront Stadium (42-33) | 77-66 | Won 3 |
| » W: Andy McGaffigan (2-3) L: Dave LaPoint (7-14) | Second | 7½ out |
| Wednesday, September 18 |
| » Defeated Braves (60-85), 7-3 | Atlanta-Fulton County Stadium (6-2) | 78-66 | Won 4 |
| » W: Ron Robinson (6-6) L: Len Barker (2-9) | Second | 6½ out |
| Thursday, September 19 |
| » Defeated Braves (60-86), 15-5 | Atlanta-Fulton County Stadium (7-2) | 79-66 | Won 5 |
| » W: Tom Browning (18-9) L: Pascual Perez (1-11) | Second | 5½ out |
| Friday, September 20 |
| » Defeated Astros (76-71), 5-3 | Astrodome (4-3) | 80-66 | Won 6 |
| » W: Jay Tibbs (9-15) L: Nolan Ryan (9-12) S: Ted Power (23) | Second | 4½ out |
| Saturday, September 21 |
| » Lost to Astros (77-71), 9-5 | Astrodome (4-4) | 80-67 | |
| » W: Dave Smith (9-5) L: John Franco (12-3) | Second | 5½ out |
| Sunday, September 22 |
| » Defeated Astros (77-72), 6-5 | Astrodome (5-4) | 81-67 | |
| » W: Ted Power (7-4) L: Bill Dawley (4-3) | Second | 5½ out |
| Tuesday, September 24 |
| » Defeated Braves (61-89), 7-5 | Riverfront Stadium (43-33) | 82-67 | Won 2 |
| » W: Tom Browning (19-9) L: Pascual Perez (1-12) S: Ted Power (24) | Second | 6 out |
| Wednesday, September 25 |
|