Napa 1978 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Arthur Ashe | d. | Bernard Mitton | 6-7 6-1 6-2 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Bernard Mitton | d. | John McEnroe | 1-6 6-4 6-4 |
| Arthur Ashe | d. | Roscoe Tanner | 6-4 5-7 7-6 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Bernard Mitton | d. | Trey Waltke | 6-4 6-1 |
| John McEnroe | d. | Erik Van Dillen | 6-2 6-1 |
| Arthur Ashe | d. | Eliot Teltscher | 6-4 6-4 |
| Roscoe Tanner | d. | Byron Bertram | 6-0 7-5 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Trey Waltke | d. | Sandy Mayer | 1-6 7-6 6-4 |
| Bernard Mitton | d. | Hank Pfister | 7-6 6-4 |
| John McEnroe | d. | Steve Docherty | 7-5 7-6 |
| Erik Van Dillen | d. | Rick Fisher | 3-6 6-4 6-4 |
| Eliot Teltscher | d. | Carlos Kirmayr | 4-6 6-2 6-2 |
| Arthur Ashe | d. | Gene Mayer | 7-6 5-7 6-3 |
| Byron Bertram | d. | Van Winitsky | 6-1 6-2 |
| Roscoe Tanner | d. | John Austin | 7-6 7-6 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Sandy Mayer | d. | Peter Pearson | 6-2 6-4 |
| Trey Waltke | d. | Billy Martin | 6-2 6-3 |
| Hank Pfister | d. | Marcello Lara | 6-2 6-3 |
| Bernard Mitton | d. | Richard Lewis | 7-6 6-4 |
| John McEnroe | d. | Russell Simpson | 7-6 6-2 |
| Steve Docherty | d. | John Feaver | 4-6 7-5 6-4 |
| Erik Van Dillen | d. | Bill Scanlon | 6-3 6-3 |
| Rick Fisher | d. | Charlie Pasarell | 6-4 7-5 |
| Carlos Kirmayr | d. | Michael Wayman | 6-1 2-6 6-2 |
| Eliot Teltscher | d. | Vincent Van Patten | 6-1 6-4 |
| Gene Mayer | d. | Ricardo Ycaza | 6-2 6-3 |
| Arthur Ashe | d. | George Hardie | 6-4 4-6 6-1 |
| Van Winitsky | d. | Bruce Manson | 2-6 6-4 7-6 |
| Byron Bertram | d. | Alvaro Fillol | 6-3 6-7 6-2 |
| John Austin | d. | Greg Halder | 7-6 6-1 |
| Roscoe Tanner | d. | John James | 6-2 6-2 |