Tour · 1973-09-10 · draw of 32
Aptos 1973
HardFinal
| 🇺🇸 Jeff Austin | d. | 🇳🇿 Onny Parun | 7-6 6-4 | H2H |
Semifinals
| 🇳🇿 Onny Parun | d. | 🇺🇸 Dick R. Bohrnstedt | 6-4 6-2 | H2H |
| 🇺🇸 Jeff Austin | d. | 🇵🇰 Haroon Rahim | 6-4 7-6 | H2H |
Quarterfinals
| 🇵🇰 Haroon Rahim | d. | 🇺🇸 Tom Edlefsen | 7-5 6-1 | H2H |
| 🇳🇿 Onny Parun | d. | 🇬🇧 John Lloyd | 6-1 6-4 | H2H |
| 🇺🇸 Dick R. Bohrnstedt | d. | 🇺🇸 Mike Machette | 7-5 6-0 | H2H |
| 🇺🇸 Jeff Austin | d. | 🇺🇸 Erik Van Dillen | 7-5 6-3 | H2H |
Round of 16
| 🇺🇸 Erik Van Dillen | d. | 🇿🇦 Raymond Moore | 6-2 7-6 | H2H |
| 🇵🇰 Haroon Rahim | d. | 🇸🇪 Kjell Johansson | 6-3 4-6 6-3 | H2H |
| 🇳🇿 Onny Parun | d. | 🇦🇺 Dick Crealy | 6-3 6-4 | H2H |
| 🇺🇸 Mike Machette | d. | 🇺🇸 Fred McNair IV | 6-4 6-4 | H2H |
| 🇬🇧 John Lloyd | d. | 🇺🇸 Tom Leonard | 0-6 6-1 6-1 | H2H |
| 🇺🇸 Tom Edlefsen | d. | 🇺🇸 Alejandro Olmedo | 6-0 4-6 6-2 | H2H |
| 🇺🇸 Dick R. Bohrnstedt | d. | 🇺🇸 Jim McManus | 6-1 6-3 | H2H |
| 🇺🇸 Jeff Austin | d. | 🇨🇿 Jiri Hrebec | 6-3 6-7 6-0 | H2H |
Round of 32
| 🇺🇸 Erik Van Dillen | d. | 🇫🇷 Wanaro N'Godrella | 7-6 6-1 | H2H |
| 🇵🇰 Haroon Rahim | d. | 🇫🇷 Patrice Dominguez | 6-2 6-3 | H2H |
| 🇳🇿 Onny Parun | d. | 🇸🇪 Rolf Norberg | 6-7 6-3 6-1 | H2H |
| 🇺🇸 Alejandro Olmedo | d. | 🇦🇺 Barry Phillips-Moore | 7-6 6-3 | H2H |
| 🇿🇦 Raymond Moore | d. | 🇨🇿 Vladimir Zednik | 7-6 7-6 | H2H |
| 🇺🇸 Fred McNair IV | d. | 🇺🇸 Paul Gerken | 6-3 7-5 | H2H |
| 🇺🇸 Jim McManus | d. | 🇺🇸 Dennis Ralston | 6-4 6-4 | H2H |
| 🇺🇸 Mike Machette | d. | 🇳🇿 Jeff Simpson | 6-2 4-6 6-3 | H2H |
| 🇬🇧 John Lloyd | d. | 🇫🇷 Georges Goven | 6-0 6-4 | H2H |
| 🇺🇸 Tom Leonard | d. | 🇸🇪 Bjorn Borg | 6-3 6-4 | H2H |
| 🇸🇪 Kjell Johansson | d. | 🇺🇸 Roy Barth | 6-4 6-2 | H2H |
| 🇨🇿 Jiri Hrebec | d. | 🇺🇸 Henry Kamakana | 7-6 6-3 | H2H |
| 🇺🇸 Tom Edlefsen | d. | 🇫🇷 Patrick Proisy | 4-6 7-6 6-4 | H2H |
| 🇦🇺 Dick Crealy | d. | 🇸🇪 Ove Nils Bengtson | 6-3 6-2 | H2H |
| 🇺🇸 Dick R. Bohrnstedt | d. | 🇨🇿 Jan Kodes | 6-4 6-3 | H2H |
| 🇺🇸 Jeff Austin | d. | 🇺🇸 John Fort | 6-7 6-2 6-0 | H2H |