San Francisco 1990
Andre Agassi won the title, beating Todd Witsken 6–1 6–3 in the final.
Main draw 32 players
- 1🇺🇸Brad GilbertRound of 32 · Lost to Gary Muller
- 2🇺🇸Andre AgassiFinal · Champion
- 3🇺🇸Kevin CurrenRound of 32 · Lost to Joey Rive
- 4🇿🇦Christo Van RensburgQuarterfinals · Lost to Jim Grabb
- 5🇺🇸Jim GrabbSemifinals · Lost to Andre Agassi
- 6🇺🇸Scott DavisRound of 16 · Lost to Jimmy Arias
- 8🇺🇸Paul AnnaconeQuarterfinals · Lost to Andre Agassi
- 🇺🇸Todd WitskenFinal · Lost to Andre Agassi
- 🇺🇸Joey RiveSemifinals · Lost to Todd Witsken
- 🇺🇸Jimmy AriasQuarterfinals · Lost to Joey Rive
- 🇺🇸Richey RenebergQuarterfinals · Lost to Todd Witsken
- Q🇺🇸Chris GarnerRound of 16 · Lost to Richey Reneberg
- 🇺🇸Dan GoldieRound of 16 · Lost to Andre Agassi
- 🇺🇸Derrick RostagnoRound of 16 · Lost to Jim Grabb
- 🇿🇦Gary MullerRound of 16 · Lost to Todd Witsken
- 🇺🇸Kelly JonesRound of 16 · Lost to Christo Van Rensburg
- 🇺🇸Lawson DuncanRound of 16 · Lost to Joey Rive
- 🇺🇸Tim WilkisonRound of 16 · Lost to Paul Annacone
- WC🇩🇪Alexis HombrecherRound of 32 · Lost to Chris Garner
- Q🇺🇸Dan CassidyRound of 32 · Lost to Paul Annacone
- Q🇦🇺David MacphersonRound of 32 · Lost to Kelly Jones
- 🇺🇸Glenn LayendeckerRound of 32 · Lost to Scott Davis
- 🇺🇸Jimmy BrownRound of 32 · Lost to Jim Grabb
- WC🇺🇸Jonathan StarkRound of 32 · Lost to Dan Goldie
- 🇳🇿Kelly EverndenRound of 32 · Lost to Lawson Duncan
- 🇺🇸Leif ShirasRound of 32 · Lost to Richey Reneberg
- 🇸🇰Marian VajdaRound of 32 · Lost to Jimmy Arias
- WC🇺🇸Marty DavisRound of 32 · Lost to Christo Van Rensburg
- Q🇺🇸Patrick McEnroeRound of 32 · Lost to Tim Wilkison
- 🇺🇸Paul ChamberlinRound of 32 · Lost to Derrick Rostagno
- 🇮🇳Ramesh KrishnanRound of 32 · Lost to Andre Agassi
- 🇺🇸Robert SegusoRound of 32 · Lost to Todd Witsken