2004 Boston Red Sox season Game log August

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| August 10 | Devil Rays | 8 - 4 | Sosa (3-1) | 35191 | 61-50 |
| August 11 | Devil Rays | 14 - 4 | Brazelton (4-4) | 35091 | 62-50 |
| August 12 | Devil Rays | 6 - 0 | Hendrickson (8-11) | 34804 | 63-50 |
| August 13 | White Sox | 8 - 7 | Wakefield (8-7) | 35028 | 63-51 |
| August 14 | White Sox | 4 - 3 | Adkins (2-3) | 35012 | 64-51 |
| August 15 | White Sox | 5 - 4 | Arroyo (5-9) | 34405 | 64-52 |
| August 16 | Blue Jays | 8 - 4 | Miller (1-2) | 35271 | 65-52 |
| August 17 | Blue Jays | 5 - 4 (10) | Frederick (0-2) | 35105 | 66-52 |
| August 18 | Blue Jays | 6 - 4 | Batista (9-9) | 34867 | 67-52 |