1999 Colorado Rockies season Game log April

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| April 4 | @ Padres | 8–2 | Ashby (0–1) | 27104 | 1–0 |
| April 6 | @ Padres | 4–3 | Astacio (0–1) | 61247 | 1–1 |
| April 7 | @ Padres | 2–1 | Jones (0–1) | 32751 | 1–2 |
| April 8 | @ Dodgers | 4–2 | Pérez (0–1) | 27879 | 2–2 |
| April 9 | @ Dodgers | 9–6 | Thomson (0–1) | 39997 | 2–3 |
| April 10 | @ Dodgers | 2–0 | Kile (1–1) | 44503 | 2–4 |
| April 12 | Padres | 8–5 (11) | Veres (0–1) | 48073 | 2–5 |
| April 15 | Padres | 6–4 | Clement (0–2) | 40027 | 3–5 |
| April 17 | Braves | 5–4 | Rocker (1–1) | 42510 | 4–5 |
| April 18 | Braves | 20–5 | Astacio (0–2) | 44285 | 4–6 |
| April 19 | Expos | 11–10 | Urbina (1–1) | 40209 | 5–6 |