| Singles | |
|---|---|
| 1989 Lorraine Open | |
| 1988 Champion |
|
| Champion |
|
| Runner-up |
|
| Final score | 6–3, 7–6 |
Jonas Svensson was the defending champion but did not compete that year.
Guy Forget won in the final 6–3, 7–6 against Michiel Schapers.
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.