1989 Grand Prix de Tennis de Lyon – Singles
| Singles | |
|---|---|
| 1989 Grand Prix de Tennis de Lyon | |
| Champion |
 John McEnroe
|
| Runner-up |
 Jakob Hlasek
|
| Final score | 6–3, 7–6 |
Yahiya Doumbia was the defending champion but lost in the first round to Jakob Hlasek.
John McEnroe won in the final 6–3, 7–6 against Hlasek.
...
Wikipedia