1989 Oakland Athletics season Game log June

| Date_ | Opponent | Score | Loss | Record |
|---|---|---|---|---|
| June 16 | @ Orioles | 7–5 | Holton (2–5) | 42–23 |
| June 16 | @ Orioles | 5–1 | Moore (8–5) | 42–24 |
| June 17 | @ Orioles | 4–2 | M. Young (0–1) | 42–25 |
| June 18 | @ Orioles | 4–2 | C. Young (2–7) | 42–26 |
| June 19 | Tigers | 6–4 | Stewart (11–3) | 43–26 |
| June 20 | Tigers | 6–4 | Havens (0–1) | 44–26 |
| June 21 | Tigers | 6–3 | Schwabe (1–3) | 45–26 |
| June 22 | Blue Jays | 4 – 2 (13) | Corsi (0–1) | 45–27 |
| June 23 | Blue Jays | 10–8 | C. Young (2–8) | 45–28 |
| June 24 | Blue Jays | 7–1 | Stieb (7–4) | 46–28 |
| June 25 | Blue Jays | 6–3 | Key (7–7) | 47–28 |
| June 26 | @ Twins | 4 – 3 (10) | Burns (4–2) | 47–29 |