1989 Player's Canadian Open – Men's singles
| Men's singles | |
|---|---|
| 1989 Player's Canadian Open | |
| Champion | Ivan Lendl |
| Runner-up | John McEnroe |
| Score | 6–1, 6–3 |
| Draw | 56 |
| Seeds | 16 |
Ivan Lendl was the defending champion.
Lendl successfully defended his title, defeating John McEnroe 6–1, 6–3 in the final.