Tour · 1978-04-17 · draw of 32
San Jose 1978
CarpetFinal
| 🇺🇸 Arthur Ashe | d. | 🇿🇦 Bernard Mitton | 6-7 6-1 6-2 | H2H |
Semifinals
| 🇿🇦 Bernard Mitton | d. | 🇺🇸 John McEnroe | 1-6 6-4 6-4 | H2H |
| 🇺🇸 Arthur Ashe | d. | 🇺🇸 Roscoe Tanner | 6-4 5-7 7-6 | H2H |
Quarterfinals
| 🇿🇦 Bernard Mitton | d. | 🇺🇸 Trey Waltke | 6-4 6-1 | H2H |
| 🇺🇸 Arthur Ashe | d. | 🇺🇸 Eliot Teltscher | 6-4 6-4 | H2H |
| 🇺🇸 John McEnroe | d. | 🇺🇸 Erik Van Dillen | 6-2 6-1 | H2H |
| 🇺🇸 Roscoe Tanner | d. | 🇿🇦 Byron Bertram | 6-0 7-5 | H2H |
Round of 16
| 🇺🇸 Erik Van Dillen | d. | 🇺🇸 Rick Fisher | 3-6 6-4 6-4 | H2H |
| 🇺🇸 Eliot Teltscher | d. | 🇧🇷 Carlos Kirmayr | 4-6 6-2 6-2 | H2H |
| 🇿🇦 Byron Bertram | d. | 🇺🇸 Van Winitsky | 6-1 6-2 | H2H |
| 🇿🇦 Bernard Mitton | d. | 🇺🇸 Henry Pfister | 7-6 6-4 | H2H |
| 🇺🇸 Arthur Ashe | d. | 🇺🇸 Gene Mayer | 7-6 5-7 6-3 | H2H |
| 🇺🇸 John McEnroe | d. | 🇦🇺 Steve Docherty | 7-5 7-6 | H2H |
| 🇺🇸 Roscoe Tanner | d. | 🇺🇸 John Austin | 7-6 7-6 | H2H |
| 🇺🇸 Trey Waltke | d. | 🇺🇸 Sandy Mayer | 1-6 7-6 6-4 | H2H |
Round of 32
| 🇺🇸 Van Winitsky | d. | 🇺🇸 Bruce Manson | 2-6 6-4 7-6 | H2H |
| 🇺🇸 Trey Waltke | d. | 🇺🇸 Billy Martin | 6-2 6-3 | H2H |
| 🇺🇸 Eliot Teltscher | d. | 🇺🇸 Vincent Van Patten | 6-1 6-4 | H2H |
| 🇿🇦 Bernard Mitton | d. | 🇬🇧 Richard Lewis | 7-6 6-4 | H2H |
| 🇺🇸 Gene Mayer | d. | 🇪🇨 Ricardo Ycaza | 6-2 6-3 | H2H |
| 🇧🇷 Carlos Kirmayr | d. | 🇬🇧 Michael Wayman | 6-1 2-6 6-2 | H2H |
| 🇺🇸 Rick Fisher | d. | 🇺🇸 Charlie Pasarell | 6-4 7-5 | H2H |
| 🇦🇺 Steve Docherty | d. | 🇬🇧 John Feaver | 4-6 7-5 6-4 | H2H |
| 🇺🇸 John Austin | d. | 🇨🇦 Greg Halder | 7-6 6-1 | H2H |
| 🇺🇸 Erik Van Dillen | d. | 🇺🇸 Bill Scanlon | 6-3 6-3 | H2H |
| 🇿🇦 Byron Bertram | d. | 🇨🇱 Alvaro Fillol | 6-3 6-7 6-2 | H2H |
| 🇺🇸 Henry Pfister | d. | 🇲🇽 Marcelo Lara | 6-2 6-3 | H2H |
| 🇺🇸 Arthur Ashe | d. | 🇺🇸 George Hardie | 6-4 4-6 6-1 | H2H |
| 🇺🇸 John McEnroe | d. | 🇳🇿 Russell Simpson | 7-6 6-2 | H2H |
| 🇺🇸 Roscoe Tanner | d. | 🇦🇺 John James | 6-2 6-2 | H2H |
| 🇺🇸 Sandy Mayer | d. | 🇺🇸 Peter Pearson | 6-2 6-4 | H2H |