| Singles | |
|---|---|
| 1990 Benson & Hedges Open | |
| 1989 Champion |
|
| Champion |
|
| Runner-up |
|
| Final score | 4–6, 6–3, 6–3 |
Ramesh Krishnan was the defending champion but lost in the semifinals to Scott Davis.
Davis won the 1990 Benson & Hedges Open tennis tournament, defeating Andrei Chesnokov in the final 4–6, 6–3, 6–3.
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.