| Singles | |
|---|---|
| 1977 ABN World Tennis Tournament | |
| Champion |
|
| Runner-up |
|
| Final score | 2–6, 6–3, 6–3 |
| Draw | 16 |
| Seeds | 4 |
Arthur Ashe was the defending champion of the singles event at the ABN World Tennis Tournament, but did not participate in this edition. First-seeded won the singles title after a victory in the final against second-seeded Ilie Năstase 2–6, 6–3, 6–3.