Forest Hills 1978 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Vitas Gerulaitis | d. | Ilie Nastase | 6-2 6-0 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Vitas Gerulaitis | d. | Wojtek Fibak | 6-2 6-3 |
| Ilie Nastase | d. | John McEnroe | 6-3 7-6 |
Round robin
| Winner | Loser | Score | |
|---|---|---|---|
| Vitas Gerulaitis | d. | Phil Dent | 6-1 7-6 |
| Vitas Gerulaitis | d. | Ken Rosewall | 6-3 6-2 |
| Vitas Gerulaitis | d. | Victor Pecci | 6-4 1-6 7-5 |
| Phil Dent | d. | Ken Rosewall | 7-5 6-1 |
| Phil Dent | d. | Victor Pecci | 6-4 0-6 6-2 |
| Ilie Nastase | d. | Dick Stockton | 5-7 7-5 6-3 |
| Ilie Nastase | d. | Peter Fleming | 5-7 7-6 6-4 |
| Ilie Nastase | d. | John Alexander | 6-2 6-2 |
| Dick Stockton | d. | Peter Fleming | 7-6 3-6 6-3 |
| Dick Stockton | d. | John Alexander | 3-6 6-2 6-1 |
| John McEnroe | d. | Wojtek Fibak | 6-2 6-3 |
| John McEnroe | d. | John Newcombe | 1-6 6-4 7-5 |
| John McEnroe | d. | Billy Martin | 7-5 4-6 7-5 |
| Wojtek Fibak | d. | John Newcombe | 6-1 6-2 |
| Wojtek Fibak | d. | Billy Martin | 6-2 6-4 |
| Victor Pecci | d. | Ken Rosewall | 6-3 6-1 |
| John Alexander | d. | Peter Fleming | 6-2 2-6 6-3 |
| Billy Martin | d. | John Newcombe | 6-3 7-6 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0