# 1991 Volvo Tennis/Los Angeles – Singles

Stefan Edberg was the defending champion, but lost in the semifinals to Brad Gilbert.
Pete Sampras won the title by defeating Brad Gilbert 6–2, 6–7$^{(5–7)}$, 6–3 in the final.

## Seeds

* Stefan Edberg (semifinals)
* Pete Sampras (champion)
* Michael Chang (second round)
* Brad Gilbert (final)
* Cristiano Caratti (first round)
* Todd Woodbridge (second round)
* Aaron Krickstein (quarterfinals)
* Amos Mansdorf (quarterfinals)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 1 | Stefan Edberg | 6$^2$ | 7$^7$ | 4 | | | | | |
| 4 | Brad Gilbert | 7$^7$ | 6$^1$ | 6 | | | | | |
| 4 | Brad Gilbert | 7$^7$ | 6$^1$ | 6 | 4 | Brad Gilbert | 2 | 7$^7$ | 3 |
| | | | | | 2 | Pete Sampras | 6 | 6$^5$ | 6 |
| | Stefano Pescosolido | 3 | 1 | | 2 | Pete Sampras | 6 | 6$^5$ | 6 |
| 2 | Pete Sampras | 6 | 6 | | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | S Edberg | 6 | 6 | | | | | | | | | | | | | | | |
| | R Krishnan | 4 | 3 | | 1 | S Edberg | 6 | 6 | | | | | | | | | | |
| | P Lundgren | 7 | 6 | | | P Lundgren | 3 | 4 | | | | | | | | | | |
| | D Pate | 5 | 2 | | | | | | | 1 | S Edberg | 6 | 7 | | | | | |
| | J Stoltenberg | 6 | 6 | | | | | | | 7 | A Krickstein | 4 | 5 | | | | | |
| WC | P Annacone | 1 | 3 | | | J Stoltenberg | 3 | 6 | 3 | | | | | | | | | |
| | D Goldie | 6$^6$ | 6$^4$ | | 7 | A Krickstein | 6 | 3 | 6 | | | | | | | | | |
| 7 | A Krickstein | 7$^8$ | 7$^7$ | | | | | | | | | | | 1 | S Edberg | 6$^2$ | 7$^7$ | 4 |
| 4 | B Gilbert | 6 | 7 | | | | | | | | | | | 4 | B Gilbert | 7$^7$ | 6$^1$ | 6 |
| Q | J Frana | 3 | 5 | | 4 | B Gilbert | 7$^7$ | 6 | | | | | | | | | | |
| WC | J Pugh | 6 | 5 | 1 | | JP Fleurian | 6$^3$ | 0 | | | | | | | | | | |
| | JP Fleurian | 4 | 7 | 6 | | | | | | 4 | B Gilbert | 6 | 6 | | | | | |
| | B Pearce | 6 | 1 | 1 | | | | | | Q | S Bryan | 1 | 3 | | | | | |
| Q | S Bryan | 1 | 6 | 6 | Q | S Bryan | 6 | 6 | | | | | | | | | | |
| | W Ferreira | 3 | 6$^4$ | | 6 | T Woodbridge | 4 | 2 | | | | | | | | | | |
| 6 | T Woodbridge | 6 | 7$^7$ | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | C Caratti | 3 | 2 | | | | | | | | | | | | | | |
| | S Davis | 6 | 6 | | | S Davis | 7$^7$ | 3 | 6 | | | | | | | | |
| WC | J Stark | 5 | 5 | | | G Muller | 6$^5$ | 6 | 3 | | | | | | | | |
| | G Muller | 7 | 7 | | | | | | | | S Davis | 6$^5$ | 3 | | | | |
| | M Woodforde | 4 | 4 | | | | | | | | S Pescosolido | 7$^7$ | 6 | | | | |
| | S Pescosolido | 6 | 6 | | | S Pescosolido | 4 | 6 | 6 | | | | | | | | |
| | M Pernfors | 6 | 1 | 6$^0$ | 3 | M Chang | 6 | 2 | 4 | | | | | | | | |
| 3 | M Chang | 2 | 6 | 7$^7$ | | | | | | | | | | | S Pescosolido | 3 | 1 |
| 8 | A Mansdorf | 6 | 6 | | | | | | | | | | | 2 | P Sampras | 6 | 6 |
| | T Högstedt | 4 | 3 | | 8 | A Mansdorf | 6 | 6 | | | | | | | | | |
| Q | M Kaplan | 2 | 4 | | Q | G Pozzi | 4 | 3 | | | | | | | | | |
| Q | G Pozzi | 6 | 6 | | | | | | | 8 | A Mansdorf | 3 | 4 | | | | |
| | S Matsuoka | 6 | 6 | | | | | | | 2 | P Sampras | 6 | 6 | | | | |
| | J Tarango | 3 | 1 | | | S Matsuoka | 3 | 4 | | | | | | | | | |
| | G Bloom | 0 | 2 | | 2 | P Sampras | 6 | 6 | | | | | | | | | |
| 2 | P Sampras | 6 | 6 | | | | | | | | | | | | | | |