1989 Chicago Cubs season Game log June

| Date_ | Opponent | Score | Loss | Save_ |
|---|---|---|---|---|
| June 20 | @ Pirates | 5 - 4 11 | Garcia (0-1) | Kilgus (1) |
| June 21 | @ Pirates | 1 - 0 11 | Bair (0-1) | Williams (18) |
| June 22 | @ Pirates | 8 - 0 | Kramer (1-4) | || 16,430 ||40-30|| |
| June 23 | Expos | 5 - 1 | Bielecki (6-3) | Burke (15) |
| June 24 | Expos | 5 - 0 | Kilgus (5-7) | || 36,068 ||40-32|| |
| June 25 | Expos | 5 - 0 | Sanderson (6-6) | || 34,491 ||40-33|| |
| June 26 | Pirates | 2 - 1 | Maddux (6-7) | || 35,407 ||40-34|| |
| June 27 | Pirates | 5 - 4 | Sutcliffe (9-5) | Landrum (7) |
| June 28 | Pirates | 3 - 1 | Bielecki (6-4) | Landrum (8) |
| June 29 | @ Giants | 12 - 2 | Kilgus (5-8) | || 12,339 ||40-37|| |
| June 30 | @ Giants | 6 - 4 | Wilson (0-1) | Williams (19) |