| Singles | |
|---|---|
| 1999 Grand Prix de Tennis de Lyon | |
| Champion |
|
| Runner-up |
|
| Final score | 6–3, 6–2 |
Àlex Corretja was the defending champion, but lost in the second round this year.
Nicolás Lapentti won the title, defeating Lleyton Hewitt, 6–3, 6–2 in the final.