| Singles | |
|---|---|
| 1986 Benson and Hedges Open | |
| Champion |
|
| Runner-up |
|
| Final score | 6–4, 6–3, 3–6, 6–4 |
| Draw | 32 (4Q / 3WC) |
| Seeds | 8 |
Miloslav Mečíř defeated Michiel Schapers 6–4, 6–3, 3–6, 6–4 to win the 1986 Heineken Open singles competition. Chris Lewis 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.