2003 Boston Red Sox season Game log July

| Date_ | Opponent | Score | Loss | Save_ |
|---|---|---|---|---|
| July 1 | @ Devil Rays | 4–3 11 | Lyon (3–5) | ||12,122||47–34 |
| July 2 | @ Devil Rays | 5–4 | Colomé (1–4) | Kim (1) |
| July 3 | @ Devil Rays | 6–5 10 | Timlin (3–3) | ||12,838||48–35 |
| July 4 | @ Yankees | 10–3 | Wells (10–3) | ||55,144||49–35 |
| July 5 | @ Yankees | 10–2 | Clemens (8–6) | ||54,948||50–35 |
| July 6 | @ Yankees | 7–1 | Burkett (6–4) | ||54,918||50–36 |
| July 7 | @ Yankees | 2–1 | Kim (3–7) | ||55,016||50–37 |
| July 8 | @ Blue Jays | 2–1 12 | Tam (0–3) | Kim (2) |
| July 9 | @ Blue Jays | 8–7 | Tam (0–4) | Kim (3) |
| July 10 | @ Blue Jays | 7–1 | Lidle (10–8) | ||20,113||53–37 |