| Singles | |
|---|---|
| 1990 Volvo San Francisco | |
| Champion |  Andre Agassi |
| Runner-up | Todd Witsken |
| Final score | 6–1, 6–3 |
| Draw | 32 (4Q / 3WC) |
| Seeds | 8 |
Brad Gilbert was the defending champion, but lost in the first round to Gary Muller.
Andre Agassi won the title by defeating Todd Witsken 6–1, 6–3 in the final. [1]
Brad Gilbert (first round) Andre Agassi (champion) Kevin Curren (first round)
Christo van Rensburg (quarterfinals) Jim Grabb (semifinals) Scott Davis (second round) Paul Annacone (quarterfinals)| Semifinals | Final | ||||||||||||
| Todd Witsken | 6 | 77 | |||||||||||
| Joey Rive | 4 | 64 | |||||||||||
| Todd Witsken | 1 | 3 | |||||||||||
| 2 | Andre Agassi | 6 | 6 | ||||||||||
| 5 | Jim Grabb | 2 | 2 | ||||||||||
| 2 | Andre Agassi | 6 | 6 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | B Gilbert | 4 | 65 | ||||||||||||||||||||||||
| G Muller | 6 | 77 | G Muller | 4 | 3 | ||||||||||||||||||||||
| R Seguso | 2 | 4 | T Witsken | 6 | 6 | ||||||||||||||||||||||
| T Witsken | 6 | 6 | T Witsken | 77 | 6 | ||||||||||||||||||||||
| WC |  A Hombrecher | 65 | 6 | 3 | R Reneberg | 65 | 4 | ||||||||||||||||||||
| Q | C Garner | 77 | 3 | 6 | Q | C Garner | 1 | 3 | |||||||||||||||||||
| L Shiras | 65 | 3 | R Reneberg | 6 | 6 | ||||||||||||||||||||||
| R Reneberg | 77 | 6 | T Witsken | 6 | 77 | ||||||||||||||||||||||
| 3 | K Curren | 2 | 5 | J Rive | 4 | 64 | |||||||||||||||||||||
| J Rive | 6 | 7 | J Rive | 4 | 6 | 6 | |||||||||||||||||||||
| L Duncan | 7 | 5 | 7 | L Duncan | 6 | 3 | 3 | ||||||||||||||||||||
 K Evernden | 5 | 7 | 5 | J Rive | 2 | 6 | 6 | ||||||||||||||||||||
| J Arias | 6 | 6 | J Arias | 6 | 4 | 2 | |||||||||||||||||||||
 M Vajda | 4 | 3 | J Arias | 6 | 77 | ||||||||||||||||||||||
| G Layendecker | 2 | 6 | 3 | 6 | S Davis | 3 | 60 | ||||||||||||||||||||
| 6 | S Davis | 6 | 3 | 6 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | J Grabb | 6 | 79 | ||||||||||||||||||||||||
| J Brown | 3 | 67 | 5 | J Grabb | 6 | 64 | 6 | ||||||||||||||||||||
| D Rostagno | 7 | 3 | D Rostagno | 2 | 77 | 4 | |||||||||||||||||||||
| P Chamberlin | 5 | 0r | 5 | J Grabb | 4 | 6 | 78 | ||||||||||||||||||||
| Q |  D Macpherson | 2 | 4 | 4 | C van Rensburg | 6 | 2 | 66 | |||||||||||||||||||
| K Jones | 6 | 6 | K Jones | 2 | 6 | 5 | |||||||||||||||||||||
| WC | M Davis | 4 | 77 | 3 | 4 | C van Rensburg | 6 | 3 | 7 | ||||||||||||||||||
| 4 | C van Rensburg | 6 | 64 | 6 | 5 | J Grabb | 2 | 2 | |||||||||||||||||||
| 8 | P Annacone | 77 | 77 | 2 | A Agassi | 6 | 6 | ||||||||||||||||||||
| Q | D Cassidy | 65 | 65 | 8 | P Annacone | 6 | 6 | ||||||||||||||||||||
| T Wilkison | 63 | 6 | 77 | T Wilkison | 2 | 2 | |||||||||||||||||||||
| Q | P McEnroe | 77 | 1 | 63 | 8 | P Annacone | 4 | 2 | |||||||||||||||||||
| WC | J Stark | 4 | 7 | 2 | 2 | A Agassi | 6 | 6 | |||||||||||||||||||
| D Goldie | 6 | 5 | 6 | D Goldie | 6 | 0 | 1 | ||||||||||||||||||||
 R Krishnan | 2 | 77 | 0 | 2 | A Agassi | 2 | 6 | 6 | |||||||||||||||||||
| 2 | A Agassi | 6 | 65 | 6 | |||||||||||||||||||||||
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