1990 SkyDome World Tennis Tournament – Singles
| Singles | |
|---|---|
| 1990 SkyDome World Tennis Tournament | |
| Champion | Ivan Lendl |
| Runner-up | Tim Mayotte |
| Score | 6–3, 6–0 |
| Draw | 56 |
| Seeds | 16 |
Joakim Nyström was the champion of the event when it last took place, in 1986. He did not participate in 1990.
Ivan Lendl won the title, defeating Tim Mayotte 6–3, 6–0, in the final.