2005 Colorado Rockies season Game log April

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| April 18 | Diamondbacks | 5–3 | Speier (1–1) | 18563 | 2–10 |
| April 19 | Diamondbacks | 8–1 | Estes (1–1) | 18235 | 3–10 |
| April 20 | @ Phillies | 7–4 | Lidle (0–2) | 25961 | 4–10 |
| April 21 | @ Phillies | 6–3 | Kennedy (1–2) | 21749 | 4–11 |
| April 22 | Dodgers | 9–1 | Weaver (2–1) | 20321 | 5–11 |
| April 23 | Dodgers | 8–6 | Pérez (3–1) | 30272 | 6–11 |
| April 24 | Dodgers | 8–6 | B. Kim (0–3) | 28117 | 6–12 |
| April 26 | Marlins | 9–3 | Wright (1–2) | 18855 | 6–13 |
| April 29 | @ Dodgers | 6–3 | Jennings (1–3) | 40150 | 6–14 |
| April 30 | @ Dodgers | 6–2 | Kennedy (1–3) | 54123 | 6–15 |