| 1964-04-14 | vs SLN | 1 | W 4-0 | 1-0 | 3 | 50,451 | Sandy Koufax | Ernie Broglio | Sandy Koufax | Ernie Broglio | | 4 | 0 | 4 |
| 1964-04-15 | vs SLN | 2 | L 2-6 | 1-1 | 7 | 28,025 | Don Drysdale | Bob Gibson | Bob Gibson | Don Drysdale | | 6 | 6 | 0 |
| 1964-04-16 | vs CIN | 3 | L 2-5 | 1-2 | 8 | 20,430 | Bob Miller | Jim O'Toole | Jim O'Toole | Bob Miller | Joe Nuxhall | 8 | 11 | -3 |
| 1964-04-17 | vs CIN | 4 | L 3-7 | 1-3 | 9 | 26,909 | Pete Richert | Joey Jay | Joey Jay | Pete Richert | | 11 | 18 | -7 |
| 1964-04-18 | vs CIN | 5 | L 0-3 | 1-4 | 9 | 41,247 | Sandy Koufax | Jim Maloney | Jim Maloney | Sandy Koufax | John Tsitouris | 11 | 21 | -10 |
| 1964-04-19 | vs MLN | 6 | L 2-3 | 1-5 | 10 | 30,132 | Don Drysdale | Warren Spahn | Bobby Tiefenauer | Bob Miller | | 13 | 24 | -11 |
| 1964-04-20 | vs MLN | 7 | L 1-7 | 1-6 | 10 | 21,139 | Nick Willhite | Bob Sadowski | Bob Sadowski | Nick Willhite | | 14 | 31 | -17 |
| 1964-04-22 | @ SLN | 8 | L 6-7 | 1-7 | 10 | 31,410 | Sandy Koufax | Curt Simmons | Curt Simmons | Sandy Koufax | Roger Craig | 20 | 38 | -18 |
| 1964-04-23 | @ SLN | 9 | W 7-5 | 2-7 | 9 | 10,276 | Don Drysdale | Ernie Broglio | Ron Perranoski | Ron Taylor | | 27 | 43 | -16 |
| 1964-04-24 | @ MLN | 10 | L 3-6 | 2-8 | 9 | 9,908 | Joe Moeller | Hank Fischer | Hank Fischer | Joe Moeller | | 30 | 49 | -19 |
| 1964-04-25 | @ MLN | 11 | L 1-5 | 2-9 | 9 | 8,154 | Johnny Podres | Warren Spahn | Warren Spahn | Johnny Podres | | 31 | 54 | -23 |
| 1964-04-26 | @ MLN | 12 | W 1-0 | 3-9 | 9 | 14,181 | Phil Ortega | Bob Sadowski | Phil Ortega | Bob Sadowski | | 32 | 54 | -22 |
| 1964-04-27 | @ HOU | 13 | W 6-0 | 4-9 | 9 | 14,751 | Don Drysdale | Hal Brown | Don Drysdale | Hal Brown | | 38 | 54 | -16 |
| 1964-04-28 | @ HOU | 14 | W 3-1 | 5-9 | 9 | 11,191 | Joe Moeller | Ken Johnson | Joe Moeller | Ken Johnson | Bob Miller | 41 | 55 | -14 |
| 1964-04-29 | @ HOU | 15 | W 7-2 | 6-9 | 7 | 10,550 | Nick Willhite | Don Nottebart | Nick Willhite | Don Nottebart | | 48 | 57 | -9 |
| 1964-04-30 | @ HOU | 16 | L 3-7 | 6-10 | 8 | 8,752 | Phil Ortega | Turk Farrell | Turk Farrell | Phil Ortega | | 51 | 64 | -13 |
| 1964-05-01 | vs SFN | 17 | W 7-1 | 7-10 | 8 | 52,773 | Don Drysdale | Jack Sanford | Don Drysdale | Jack Sanford | | 58 | 65 | -7 |
| 1964-05-02 | vs SFN | 18 | L 4-5 | 7-11 | 8 | 53,290 | Joe Moeller | Bob Hendley | Bob Shaw | Bob Miller | | 62 | 70 | -8 |
| 1964-05-03 | vs SFN | 19 | L 3-6 | 7-12 | 9 | 52,309 | Nick Willhite | Juan Marichal | Juan Marichal | Nick Willhite | | 65 | 76 | -11 |
| 1964-05-04 | vs CHN | 20 | W 2-1 | 8-12 | 7 | 19,913 | Sandy Koufax | Dick Ellsworth | Sandy Koufax | Dick Ellsworth | | 67 | 77 | -10 |
| 1964-05-06 | vs HOU | 21 | W 5-2 | 9-12 | 8 | 16,761 | Don Drysdale | Turk Farrell | Don Drysdale | Turk Farrell | | 72 | 79 | -7 |
| 1964-05-07 | vs HOU | 22 | L 1-2 | 9-13 | 8 | 17,476 | Joe Moeller | Bob Bruce | Bob Bruce | Joe Moeller | Hal Woodeshick | 73 | 81 | -8 |
| 1964-05-08 | @ SFN | 23 | L 0-3 | 9-14 | 8 | 40,547 | Phil Ortega | Juan Marichal | Juan Marichal | Phil Ortega | | 73 | 84 | -11 |
| 1964-05-09 | @ SFN | 24 | L 2-3 | 9-15 | 8 | 42,316 | Sandy Koufax | Bob Hendley | Bob Hendley | Sandy Koufax | | 75 | 87 | -12 |
| 1964-05-10 | @ SFN | 25 | W 9-1 | 10-15 | 8 | 42,776 | Don Drysdale | Jack Sanford | Don Drysdale | Jack Sanford | | 84 | 88 | -4 |
| 1964-05-12 | @ CHN | 26 | L 2-3 | 10-16 | 9 | 5,699 | Joe Moeller | Bob Buhl | Bob Buhl | Joe Moeller | | 86 | 91 | -5 |
| 1964-05-14 | @ CHN | 27 | W 6-4 | 12-16 | 9 | 0 | Sandy Koufax | Dick Ellsworth | Ron Perranoski | Dick Ellsworth | | 92 | 95 | -3 |
| 1964-05-14 | @ CHN | 28 | W 5-0 | 12-16 | 9 | 10,035 | Don Drysdale | Fred Norman | Don Drysdale | Fred Norman | | 97 | 95 | 2 |
| 1964-05-15 | vs PIT | 29 | W 6-0 | 13-16 | 7 | 33,507 | Phil Ortega | Bob Friend | Phil Ortega | Bob Friend | | 103 | 95 | 8 |
| 1964-05-16 | vs PIT | 30 | L 4-7 | 13-17 | 8 | 21,992 | Nick Willhite | Bob Veale | Bob Veale | Nick Willhite | Al McBean | 107 | 102 | 5 |
| 1964-05-17 | vs PIT | 31 | W 3-2 | 14-18 | 7 | 0 | Sandy Koufax | Vern Law | Sandy Koufax | Vern Law | Ron Perranoski | 110 | 104 | 6 |
| 1964-05-17 | vs PIT | 32 | L 3-8 | 14-18 | 7 | 48,077 | Johnny Podres | Joe Gibbon | Joe Gibbon | Johnny Podres | Bob Priddy | 113 | 112 | 1 |
| 1964-05-18 | vs PIT | 33 | L 2-4 | 14-19 | 7 | 23,621 | Don Drysdale | Steve Blass | Steve Blass | Don Drysdale | | 115 | 116 | -1 |
| 1964-05-19 | vs NYN | 34 | W 6-4 | 15-19 | 7 | 18,402 | Phil Ortega | Tracy Stallard | Phil Ortega | Tracy Stallard | | 121 | 120 | 1 |
| 1964-05-20 | vs NYN | 35 | W 4-1 | 16-19 | 7 | 18,566 | Nick Willhite | Ron Locke | Nick Willhite | Ron Locke | Ron Perranoski | 125 | 121 | 4 |
| 1964-05-21 | vs NYN | 36 | W 6-1 | 17-19 | 7 | 20,617 | Sandy Koufax | Jack Fisher | Sandy Koufax | Jack Fisher | | 131 | 122 | 9 |
| 1964-05-22 | vs PHI | 37 | L 0-2 | 17-20 | 7 | 38,920 | Don Drysdale | Chris Short | Chris Short | Don Drysdale | | 131 | 124 | 7 |
| 1964-05-23 | vs PHI | 38 | L 2-4 | 17-21 | 8 | 42,349 | Phil Ortega | Dennis Bennett | Dennis Bennett | Ron Perranoski | Jack Baldschun | 133 | 128 | 5 |
| 1964-05-24 | vs PHI | 39 | W 3-0 | 18-21 | 8 | 36,900 | Joe Moeller | Jim Bunning | Joe Moeller | Jim Bunning | Sandy Koufax | 136 | 128 | 8 |
| 1964-05-26 | @ CIN | 40 | L 2-6 | 18-22 | 8 | 6,662 | Don Drysdale | Bob Purkey | Bob Purkey | Don Drysdale | | 138 | 134 | 4 |
| 1964-05-27 | @ CIN | 41 | L 0-1 | 18-23 | 8 | 10,262 | Sandy Koufax | Joe Nuxhall | Joe Nuxhall | Sandy Koufax | | 138 | 135 | 3 |
| 1964-05-28 | @ CIN | 42 | L 2-2 | 18-24 | 9 | 7,772 | Phil Ortega | Jim Maloney | | | | 140 | 137 | 3 |
| 1964-05-29 | @ PIT | 43 | W 4-1 | 19-24 | 8 | 16,114 | Joe Moeller | Steve Blass | Joe Moeller | Steve Blass | | 144 | 138 | 6 |
| 1964-05-30 | @ PIT | 44 | W 10-3 | 20-24 | 8 | 14,359 | Don Drysdale | Vern Law | Don Drysdale | Vern Law | | 154 | 141 | 13 |
| 1964-05-31 | @ PIT | 45 | W 6-4 | 21-24 | 7 | 9,354 | Sandy Koufax | Bob Friend | Sandy Koufax | Bob Friend | Ron Perranoski | 160 | 145 | 15 |
| 1964-06-02 | @ PHI | 46 | L 3-4 | 21-25 | 8 | 22,317 | Phil Ortega | Dennis Bennett | Dennis Bennett | Jim Brewer | Ed Roebuck | 163 | 149 | 14 |
| 1964-06-03 | @ PHI | 47 | L 0-1 | 21-26 | 8 | 20,961 | Don Drysdale | Jim Bunning | Jack Baldschun | Don Drysdale | | 163 | 150 | 13 |
| 1964-06-04 | @ PHI | 48 | W 3-0 | 22-26 | 8 | 29,709 | Sandy Koufax | Chris Short | Sandy Koufax | Chris Short | | 166 | 150 | 16 |
| 1964-06-05 | @ NYN | 49 | L 0-8 | 22-27 | 8 | 54,790 | Joe Moeller | Galen Cisco | Galen Cisco | Joe Moeller | | 166 | 158 | 8 |
| 1964-06-06 | @ NYN | 50 | W 9-2 | 23-27 | 8 | 34,730 | Phil Ortega | Jack Fisher | Bob Miller | Jack Fisher | | 175 | 160 | 15 |
| 1964-06-07 | @ NYN | 51 | W 6-1 | 24-28 | 8 | 0 | Don Drysdale | Tracy Stallard | Don Drysdale | Tracy Stallard | | 181 | 161 | 20 |
| 1964-06-07 | @ NYN | 52 | L 1-1 | 24-28 | 8 | 55,289 | Nick Willhite | Frank Lary | | | | 182 | 162 | 20 |
| 1964-06-08 | vs CIN | 53 | W 2-1 | 25-28 | 8 | 32,439 | Sandy Koufax | Jim Maloney | Sandy Koufax | Jim Maloney | | 184 | 163 | 21 |
| 1964-06-09 | vs CIN | 54 | L 1-2 | 25-29 | 7 | 22,597 | Joe Moeller | Jim O'Toole | Jim O'Toole | Joe Moeller | Bill Henry | 185 | 165 | 20 |
| 1964-06-10 | vs CIN | 55 | L 4-5 | 25-30 | 8 | 22,981 | Phil Ortega | Bob Purkey | Joey Jay | Ron Perranoski | | 189 | 170 | 19 |
| 1964-06-11 | vs SLN | 56 | W 5-0 | 26-30 | 8 | 29,272 | Don Drysdale | Ray Washburn | Don Drysdale | Ray Washburn | | 194 | 170 | 24 |
| 1964-06-12 | vs SLN | 57 | W 3-0 | 27-30 | 8 | 44,476 | Sandy Koufax | Ernie Broglio | Sandy Koufax | Ernie Broglio | | 197 | 170 | 27 |
| 1964-06-13 | vs SLN | 58 | W 3-2 | 28-30 | 6 | 29,199 | Joe Moeller | Ray Sadecki | Joe Moeller | Ray Sadecki | Ron Perranoski | 200 | 172 | 28 |
| 1964-06-14 | vs MLN | 59 | L 1-5 | 28-32 | 8 | 0 | Nick Willhite | Tony Cloninger | Tony Cloninger | Nick Willhite | | 201 | 177 | 24 |
| 1964-06-14 | vs MLN | 60 | L 1-5 | 28-32 | 8 | 47,128 | Howie Reed | Bob Sadowski | Dan Schneider | Howie Reed | Denny Lemaster | 202 | 182 | 20 |
| 1964-06-16 | vs MLN | 61 | W 5-1 | 29-32 | 8 | 32,076 | Don Drysdale | Warren Spahn | Don Drysdale | Warren Spahn | | 207 | 183 | 24 |
| 1964-06-17 | vs MLN | 62 | W 5-0 | 30-32 | 7 | 41,688 | Sandy Koufax | Denny Lemaster | Sandy Koufax | Denny Lemaster | | 212 | 183 | 29 |
| 1964-06-19 | @ CIN | 63 | L 1-11 | 30-33 | 7 | 20,777 | Joe Moeller | Jim Maloney | Jim Maloney | Joe Moeller | Billy McCool | 213 | 194 | 19 |
| 1964-06-20 | @ CIN | 64 | L 4-6 | 30-34 | 7 | 24,559 | Don Drysdale | Jim O'Toole | Jim O'Toole | Don Drysdale | Joe Nuxhall | 217 | 200 | 17 |
| 1964-06-21 | @ CIN | 65 | W 4-2 | 31-35 | 8 | 0 | Sandy Koufax | Bob Purkey | Sandy Koufax | Bob Purkey | Bob Miller | 221 | 202 | 19 |
| 1964-06-21 | @ CIN | 66 | L 1-2 | 31-35 | 8 | 29,183 | Larry Miller | Joey Jay | Joey Jay | Larry Miller | | 222 | 204 | 18 |
| 1964-06-22 | @ MLN | 67 | W 10-9 | 32-35 | 8 | 10,099 | Phil Ortega | Bob Sadowski | Bob Miller | Wade Blasingame | Howie Reed | 232 | 213 | 19 |
| 1964-06-23 | @ MLN | 68 | L 2-5 | 32-36 | 8 | 16,469 | Joe Moeller | Dan Schneider | Bobby Tiefenauer | Jim Brewer | | 234 | 218 | 16 |
| 1964-06-24 | @ MLN | 69 | W 15-4 | 33-36 | 8 | 9,934 | Don Drysdale | Tony Cloninger | Don Drysdale | Tony Cloninger | Ron Perranoski | 249 | 222 | 27 |
| 1964-06-25 | @ SFN | 70 | L 1-2 | 33-37 | 8 | 35,930 | Sandy Koufax | Jack Sanford | Gaylord Perry | Ron Perranoski | | 250 | 224 | 26 |
| 1964-06-26 | @ SFN | 71 | L 3-4 | 33-38 | 8 | 37,615 | Phil Ortega | Bob Hendley | Bob Hendley | Bob Miller | | 253 | 228 | 25 |
| 1964-06-27 | @ SFN | 72 | L 1-9 | 33-39 | 8 | 38,810 | Joe Moeller | Juan Marichal | Juan Marichal | Joe Moeller | | 254 | 237 | 17 |
| 1964-06-28 | @ SFN | 73 | L 0-1 | 33-40 | 9 | 41,133 | Don Drysdale | Ron Herbel | Ron Herbel | Don Drysdale | Billy O'Dell | 254 | 238 | 16 |
| 1964-06-29 | vs PIT | 74 | W 7-6 | 34-40 | 9 | 29,946 | Larry Miller | Joe Gibbon | Ron Perranoski | Roy Face | | 261 | 244 | 17 |
| 1964-07-01 | vs PHI | 75 | W 3-2 | 35-40 | 7 | 39,823 | Sandy Koufax | Dennis Bennett | Sandy Koufax | Dennis Bennett | | 264 | 246 | 18 |
| 1964-07-02 | vs PHI | 76 | L 2-3 | 35-41 | 8 | 35,541 | Phil Ortega | Chris Short | Chris Short | Phil Ortega | Jack Baldschun | 266 | 249 | 17 |
| 1964-07-03 | vs NYN | 77 | W 6-2 | 36-41 | 7 | 42,616 | Don Drysdale | Jack Fisher | Don Drysdale | Jack Fisher | | 272 | 251 | 21 |
| 1964-07-04 | vs NYN | 78 | W 3-2 | 37-41 | 7 | 22,760 | Joe Moeller | Tracy Stallard | Bob Miller | Tracy Stallard | | 275 | 253 | 22 |
| 1964-07-05 | vs NYN | 79 | W 5-0 | 38-41 | 6 | 26,903 | Sandy Koufax | Galen Cisco | Sandy Koufax | Galen Cisco | | 280 | 253 | 27 |
| 1964-07-09 | @ HOU | 80 | L 5-6 | 38-42 | 6 | 12,428 | Don Drysdale | Ken Johnson | Claude Raymond | Ron Perranoski | | 285 | 259 | 26 |
| 1964-07-10 | @ HOU | 81 | W 4-3 | 39-42 | 6 | 27,990 | Sandy Koufax | Turk Farrell | Sandy Koufax | Turk Farrell | Ron Perranoski | 289 | 262 | 27 |
| 1964-07-11 | @ HOU | 82 | W 11-9 | 40-42 | 6 | 17,107 | Larry Miller | Bob Bruce | Ron Perranoski | Claude Raymond | Jim Brewer | 300 | 271 | 29 |
| 1964-07-12 | @ CHN | 83 | L 3-6 | 41-43 | 6 | 0 | Joe Moeller | Bob Buhl | Bob Buhl | Bob Miller | | 303 | 277 | 26 |
| 1964-07-12 | @ CHN | 84 | W 6-2 | 41-43 | 6 | 34,062 | Phil Ortega | Ernie Broglio | Jim Brewer | Dick Ellsworth | | 309 | 279 | 30 |
| 1964-07-13 | @ CHN | 85 | L 4-10 | 41-44 | 6 | 8,003 | Don Drysdale | Larry Jackson | Larry Jackson | Don Drysdale | | 313 | 289 | 24 |
| 1964-07-14 | @ SLN | 86 | L 7-8 | 41-45 | 7 | 24,817 | Sandy Koufax | Curt Simmons | Ron Taylor | Ron Perranoski | | 320 | 297 | 23 |
| 1964-07-15 | @ SLN | 87 | W 13-3 | 42-45 | 7 | 17,304 | Larry Miller | Bob Gibson | Larry Miller | Bob Gibson | Ron Perranoski | 333 | 300 | 33 |
| 1964-07-16 | @ SLN | 88 | W 10-2 | 43-45 | 7 | 15,780 | Joe Moeller | Ray Sadecki | Joe Moeller | Ray Sadecki | Bob Miller | 343 | 302 | 41 |
| 1964-07-17 | vs CHN | 89 | W 3-2 | 44-45 | 6 | 33,342 | Don Drysdale | Bob Buhl | Don Drysdale | Bob Buhl | | 346 | 304 | 42 |
| 1964-07-18 | vs CHN | 90 | W 3-1 | 45-45 | 6 | 24,131 | Sandy Koufax | Larry Jackson | Sandy Koufax | Larry Jackson | | 349 | 305 | 44 |
| 1964-07-19 | vs CHN | 91 | L 2-8 | 45-47 | 7 | 0 | Phil Ortega | Dick Ellsworth | Dick Ellsworth | Phil Ortega | | 351 | 313 | 38 |
| 1964-07-19 | vs CHN | 92 | L 1-9 | 45-47 | 7 | 35,179 | Larry Miller | Lew Burdette | Lew Burdette | Larry Miller | | 352 | 322 | 30 |
| 1964-07-20 | vs HOU | 93 | L 1-4 | 45-48 | 8 | 19,090 | Joe Moeller | Jim Owens | Jim Owens | Joe Moeller | Hal Woodeshick | 353 | 326 | 27 |
| 1964-07-21 | vs HOU | 94 | L 0-1 | 45-49 | 8 | 21,873 | Don Drysdale | Bob Bruce | Bob Bruce | Don Drysdale | | 353 | 327 | 26 |
| 1964-07-22 | vs HOU | 95 | W 1-0 | 46-49 | 8 | 24,371 | Sandy Koufax | Ken Johnson | Sandy Koufax | Ken Johnson | | 354 | 327 | 27 |
| 1964-07-23 | vs HOU | 96 | W 5-4 | 47-49 | 7 | 19,599 | Phil Ortega | Turk Farrell | Bob Miller | Claude Raymond | | 359 | 331 | 28 |
| 1964-07-24 | vs SFN | 97 | L 3-11 | 47-50 | 8 | 54,026 | Joe Moeller | Juan Marichal | Juan Marichal | Joe Moeller | | 362 | 342 | 20 |
| 1964-07-25 | vs SFN | 98 | W 7-4 | 48-50 | 6 | 52,975 | Bob Miller | Bob Hendley | Bob Miller | Bob Hendley | Phil Ortega | 369 | 346 | 23 |
| 1964-07-26 | vs SFN | 99 | L 2-5 | 48-51 | 8 | 49,429 | Sandy Koufax | Ron Herbel | Jim Duffalo | Sandy Koufax | Gaylord Perry | 371 | 351 | 20 |
| 1964-07-28 | @ NYN | 100 | W 9-0 | 49-51 | 7 | 39,500 | Don Drysdale | Jack Fisher | Don Drysdale | Jack Fisher | | 380 | 351 | 29 |
| 1964-07-30 | @ NYN | 101 | W 5-3 | 50-51 | 7 | 40,962 | Sandy Koufax | Tracy Stallard | Bob Miller | Tracy Stallard | | 385 | 354 | 31 |
| 1964-07-31 | @ PHI | 102 | L 1-6 | 50-52 | 7 | 24,197 | Joe Moeller | Chris Short | Chris Short | Joe Moeller | Jack Baldschun | 386 | 360 | 26 |
| 1964-08-01 | @ PHI | 103 | L 6-10 | 50-53 | 7 | 32,030 | Don Drysdale | Jim Bunning | Rick Wise | Don Drysdale | Ed Roebuck | 392 | 370 | 22 |
| 1964-08-02 | @ PHI | 104 | W 6-1 | 51-53 | 7 | 18,802 | Larry Miller | John Boozer | Larry Miller | John Boozer | | 398 | 371 | 27 |
| 1964-08-04 | @ PIT | 105 | W 5-1 | 53-53 | 6 | 0 | Sandy Koufax | Bob Veale | Sandy Koufax | Bob Veale | Bob Miller | 403 | 372 | 31 |
| 1964-08-04 | @ PIT | 106 | W 10-7 | 53-53 | 6 | 25,807 | Joe Moeller | Don Schwall | Joe Moeller | Don Schwall | Ron Perranoski | 413 | 379 | 34 |
| 1964-08-05 | @ PIT | 107 | L 3-4 | 53-54 | 7 | 11,071 | Don Drysdale | Joe Gibbon | Al McBean | Ron Perranoski | | 416 | 383 | 33 |
| 1964-08-06 | @ PIT | 108 | L 1-4 | 53-55 | 7 | 10,599 | Larry Miller | Bob Friend | Bob Friend | Larry Miller | | 417 | 387 | 30 |
| 1964-08-07 | @ MLN | 109 | W 5-1 | 54-55 | 6 | 19,304 | Phil Ortega | Hank Fischer | Phil Ortega | Hank Fischer | Bob Miller | 422 | 388 | 34 |
| 1964-08-08 | @ MLN | 110 | W 5-4 | 55-55 | 6 | 17,647 | Sandy Koufax | Tony Cloninger | Sandy Koufax | Tony Cloninger | | 427 | 392 | 35 |
| 1964-08-09 | @ MLN | 111 | L 2-6 | 55-56 | 6 | 23,615 | Don Drysdale | Denny Lemaster | Denny Lemaster | Don Drysdale | | 429 | 398 | 31 |
| 1964-08-10 | @ CIN | 112 | L 2-7 | 55-57 | 6 | 10,078 | Joe Moeller | Bob Purkey | Bob Purkey | Joe Moeller | | 431 | 405 | 26 |
| 1964-08-11 | @ CIN | 113 | L 2-4 | 55-58 | 7 | 9,857 | Phil Ortega | Joey Jay | Joey Jay | Phil Ortega | | 433 | 409 | 24 |
| 1964-08-12 | @ CIN | 114 | W 4-1 | 56-58 | 7 | 18,291 | Sandy Koufax | Jim O'Toole | Sandy Koufax | Jim O'Toole | | 437 | 410 | 27 |
| 1964-08-14 | vs SLN | 115 | L 3-4 | 56-59 | 7 | 33,835 | Don Drysdale | Ray Sadecki | Ray Sadecki | Don Drysdale | Mike Cuellar | 440 | 414 | 26 |
| 1964-08-15 | vs SLN | 116 | W 4-3 | 57-59 | 6 | 22,218 | Joe Moeller | Bob Gibson | Joe Moeller | Bob Gibson | Ron Perranoski | 444 | 417 | 27 |
| 1964-08-16 | vs SLN | 117 | W 3-0 | 58-60 | 7 | 0 | Sandy Koufax | Gordie Richardson | Sandy Koufax | Gordie Richardson | | 447 | 417 | 30 |
| 1964-08-16 | vs SLN | 118 | L 0-4 | 58-60 | 7 | 38,072 | Larry Miller | Curt Simmons | Curt Simmons | Larry Miller | | 447 | 421 | 26 |
| 1964-08-18 | vs MLN | 119 | L 1-3 | 58-61 | 7 | 30,880 | Don Drysdale | Denny Lemaster | Denny Lemaster | Don Drysdale | | 448 | 424 | 24 |
| 1964-08-19 | vs MLN | 120 | W 7-6 | 59-61 | 7 | 23,038 | Phil Ortega | Wade Blasingame | Phil Ortega | Wade Blasingame | Ron Perranoski | 455 | 430 | 25 |
| 1964-08-20 | vs MLN | 121 | L 2-8 | 59-62 | 7 | 27,287 | Joe Moeller | Bob Sadowski | Bob Sadowski | Joe Moeller | | 457 | 438 | 19 |
| 1964-08-21 | vs CIN | 122 | L 2-3 | 59-63 | 7 | 27,915 | Larry Miller | Jim Maloney | Billy McCool | Larry Miller | | 459 | 441 | 18 |
| 1964-08-22 | vs CIN | 123 | L 1-2 | 59-64 | 7 | 29,220 | Don Drysdale | Joey Jay | Sammy Ellis | Howie Reed | | 460 | 443 | 17 |
| 1964-08-23 | vs CIN | 124 | W 1-0 | 60-64 | 7 | 27,459 | Phil Ortega | Jim O'Toole | Phil Ortega | Jim O'Toole | | 461 | 443 | 18 |
| 1964-08-24 | vs SFN | 125 | L 2-4 | 60-65 | 7 | 36,034 | Joe Moeller | Jim Duffalo | Jim Duffalo | Joe Moeller | | 463 | 447 | 16 |
| 1964-08-25 | vs SFN | 126 | W 3-1 | 61-65 | 7 | 37,484 | Howie Reed | Juan Marichal | Howie Reed | Juan Marichal | Bob Miller | 466 | 448 | 18 |
| 1964-08-26 | vs SFN | 127 | W 2-1 | 62-65 | 7 | 40,189 | Don Drysdale | Bob Hendley | Don Drysdale | Bob Hendley | | 468 | 449 | 19 |
| 1964-08-28 | @ SLN | 128 | L 3-5 | 62-66 | 7 | 20,180 | Phil Ortega | Ray Sadecki | Ray Sadecki | Phil Ortega | | 471 | 454 | 17 |
| 1964-08-29 | @ SLN | 129 | L 1-4 | 62-67 | 7 | 20,001 | Howie Reed | Bob Gibson | Bob Gibson | Howie Reed | | 472 | 458 | 14 |
| 1964-08-30 | @ SLN | 130 | L 1-5 | 62-68 | 7 | 24,766 | Larry Miller | Curt Simmons | Curt Simmons | Larry Miller | | 473 | 463 | 10 |
| 1964-08-31 | @ SLN | 131 | W 12-3 | 63-68 | 7 | 16,387 | Don Drysdale | Mike Cuellar | Don Drysdale | Mike Cuellar | | 485 | 466 | 19 |
| 1964-09-01 | @ PIT | 132 | L 2-5 | 63-69 | 7 | 6,648 | Phil Ortega | Bob Friend | Bob Friend | Phil Ortega | | 487 | 471 | 16 |
| 1964-09-02 | @ PIT | 133 | W 8-5 | 64-69 | 7 | 7,109 | Howie Reed | Joe Gibbon | Larry Miller | Vern Law | | 495 | 476 | 19 |
| 1964-09-04 | @ NYN | 134 | W 3-0 | 65-70 | 7 | 0 | Don Drysdale | Galen Cisco | Don Drysdale | Galen Cisco | | 498 | 476 | 22 |
| 1964-09-04 | @ NYN | 135 | L 5-6 | 65-70 | 7 | 45,065 | Jim Brewer | Dennis Ribant | Larry Bearnarth | Bob Miller | Willard Hunter | 503 | 482 | 21 |
| 1964-09-05 | @ NYN | 136 | W 6-2 | 66-70 | 7 | 30,350 | Phil Ortega | Ron Locke | Ron Perranoski | Ron Locke | | 509 | 484 | 25 |
| 1964-09-06 | @ NYN | 137 | W 4-3 | 67-70 | 6 | 25,545 | Howie Reed | Tracy Stallard | Howie Reed | Tracy Stallard | Bob Miller | 513 | 487 | 26 |
| 1964-09-07 | @ PHI | 138 | L 1-5 | 68-71 | 7 | 0 | Larry Miller | Dennis Bennett | Dennis Bennett | Larry Miller | | 514 | 492 | 22 |
| 1964-09-07 | @ PHI | 139 | W 3-1 | 68-71 | 7 | 26,390 | Pete Richert | Rick Wise | Pete Richert | Rick Wise | Ron Perranoski | 517 | 493 | 24 |
| 1964-09-08 | @ PHI | 140 | W 3-2 | 69-71 | 6 | 14,594 | Jim Brewer | Art Mahaffey | Jim Brewer | Art Mahaffey | Ron Perranoski | 520 | 495 | 25 |
| 1964-09-09 | @ SFN | 141 | W 8-1 | 70-71 | 6 | 24,448 | Don Drysdale | Bob Hendley | Don Drysdale | Bob Hendley | | 528 | 496 | 32 |
| 1964-09-10 | @ SFN | 142 | L 1-5 | 70-72 | 7 | 20,879 | Phil Ortega | Billy Pierce | Billy Pierce | Phil Ortega | Jim Duffalo | 529 | 501 | 28 |
| 1964-09-11 | vs NYN | 143 | L 2-4 | 70-73 | 7 | 18,528 | Larry Miller | Tracy Stallard | Tracy Stallard | Larry Miller | Bill Wakefield | 531 | 505 | 26 |
| 1964-09-12 | vs NYN | 144 | W 8-0 | 71-73 | 7 | 20,004 | Pete Richert | Al Jackson | Pete Richert | Al Jackson | | 539 | 505 | 34 |
| 1964-09-13 | vs NYN | 145 | W 5-4 | 72-73 | 7 | 15,885 | Don Drysdale | Jack Fisher | Don Drysdale | Dennis Ribant | | 544 | 509 | 35 |
| 1964-09-14 | vs PIT | 146 | L 2-7 | 72-74 | 7 | 16,625 | Howie Reed | Bob Veale | Bob Veale | Howie Reed | | 546 | 516 | 30 |
| 1964-09-15 | vs PIT | 147 | W 5-3 | 73-74 | 6 | 14,920 | Larry Miller | Bob Friend | Larry Miller | Bob Friend | Bob Miller | 551 | 519 | 32 |
| 1964-09-16 | vs PIT | 148 | L 5-7 | 73-75 | 7 | 15,049 | Phil Ortega | Vern Law | Vern Law | Phil Ortega | Al McBean | 556 | 526 | 30 |
| 1964-09-17 | vs PHI | 149 | L 3-4 | 73-76 | 7 | 21,175 | Don Drysdale | Rick Wise | Bobby Shantz | Don Drysdale | Jack Baldschun | 559 | 530 | 29 |
| 1964-09-18 | vs PHI | 150 | W 4-3 | 74-76 | 7 | 26,341 | Pete Richert | Chris Short | Bob Miller | Jack Baldschun | | 563 | 533 | 30 |
| 1964-09-19 | vs PHI | 151 | W 4-3 | 75-76 | 7 | 27,146 | Larry Miller | Dennis Bennett | Phil Ortega | Jack Baldschun | | 567 | 536 | 31 |
| 1964-09-20 | vs PHI | 152 | L 2-3 | 75-77 | 7 | 25,867 | Jim Brewer | Jim Bunning | Jim Bunning | Jim Brewer | | 569 | 539 | 30 |
| 1964-09-22 | @ CHN | 153 | L 0-1 | 75-78 | 7 | 961 | Don Drysdale | Lew Burdette | Cal Koonce | Don Drysdale | | 569 | 540 | 29 |
| 1964-09-23 | @ CHN | 154 | L 6-9 | 75-79 | 7 | 1,598 | Pete Richert | Larry Jackson | Larry Jackson | Pete Richert | | 575 | 549 | 26 |
| 1964-09-24 | @ CHN | 155 | L 3-4 | 75-80 | 7 | 629 | Bill Singer | Dick Ellsworth | Jake Jaeckel | Bob Miller | | 578 | 553 | 25 |
| 1964-09-25 | @ HOU | 156 | W 7-2 | 76-80 | 7 | 5,323 | Jim Brewer | Turk Farrell | Jim Brewer | Turk Farrell | Ron Perranoski | 585 | 555 | 30 |
| 1964-09-27 | @ HOU | 157 | L 0-1 | 76-81 | 7 | 6,246 | Don Drysdale | Bob Bruce | Bob Bruce | Ron Perranoski | | 585 | 556 | 29 |
| 1964-09-28 | vs CHN | 158 | W 2-1 | 77-81 | 7 | 11,808 | Howie Reed | Dick Ellsworth | Howie Reed | Dick Ellsworth | Ron Perranoski | 587 | 557 | 30 |
| 1964-09-29 | vs CHN | 159 | L 3-4 | 77-82 | 7 | 12,506 | Bill Singer | Bob Buhl | Bob Buhl | Bill Singer | Lindy McDaniel | 590 | 561 | 29 |
| 1964-09-30 | vs CHN | 160 | W 2-0 | 78-82 | 7 | 12,896 | John Purdin | Larry Jackson | John Purdin | Larry Jackson | | 592 | 561 | 31 |
| 1964-10-01 | vs CHN | 161 | L 3-4 | 78-83 | 7 | 12,455 | Don Drysdale | Cal Koonce | Cal Koonce | Don Drysdale | Jake Jaeckel | 595 | 565 | 30 |
| 1964-10-02 | vs HOU | 162 | L 1-6 | 78-84 | 7 | 13,464 | Pete Richert | Danny Coombs | Danny Coombs | Pete Richert | Jim Owens | 596 | 571 | 25 |
| 1964-10-03 | vs HOU | 163 | W 7-0 | 79-84 | 7 | 15,108 | Jim Brewer | Don Larsen | Jim Brewer | Don Larsen | | 603 | 571 | 32 |
| 1964-10-04 | vs HOU | 164 | W 11-1 | 80-84 | 7 | 13,824 | John Purdin | Don Bradey | John Purdin | Don Bradey | Bob Miller | 614 | 572 | 42 |