2003 Toronto Blue Jays season Game log April

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| April 1 | Yankees | 10 - 1 | Lidle (0-1) | 15176 | 0-2 |
| April 2 | Yankees | 9 - 7 | Hendrickson (0-1) | 16222 | 0-3 |
| April 4 | @ Twins | 7 - 2 | Reed (0-1) | 48617 | 1-3 |
| April 5 | @ Twins | 4 - 3 (11) | Guardado (0-1) | 31421 | 2-3 |
| April 6 | @ Twins | 8 - 1 | Radke (1-1) | 23549 | 3-3 |
| April 8 | Red Sox | 8 - 4 | Lowe (1-1) | 13147 | 4-3 |
| April 9 | Red Sox | 10 - 5 | Fossum (1-1) | 13099 | 5-3 |
| April 10 | Red Sox | 8 - 7 | Politte (0-1) | 13779 | 5-4 |
| April 11 | Twins | 6 - 4 | Lidle (1-2) | 13237 | 5-5 |