| Singles | |
|---|---|
| 1981 Benson and Hedges Open | |
| Champion |
|
| Runner-up |
|
| Final score | 6–7, 6–3, 3–6, 7–6, 6–0 |
| Draw | 32 |
| Seeds | 8 |
First-seeded Bill Scanlon defeated Tim Wilkison 6–7, 6–3, 3–6, 7–6, 6–0 to win the 1981 Heineken Open singles competition. John Sadri was the champion but did not defend his title.
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.