San Jose 2003
Andre Agassi won the title, beating Davide Sanguinetti 6–3 6–1 in the final.
Main draw 32 players
- 1🇺🇸Andre AgassiFinal · Champion
- 2🇹🇭Paradorn SrichaphanRound of 32 · Lost to Justin Gimelstob
- 3🇺🇸James BlakeSemifinals · Lost to Andre Agassi
- 4🇺🇸Jan Michael GambillRound of 16 · Lost to Vincent Spadea
- 5🇺🇸Todd MartinRound of 16 · Lost to Vladimir Voltchkov
- 6🇮🇹Davide SanguinettiFinal · Lost to Andre Agassi
- 7🇷🇺Nikolay DavydenkoQuarterfinals · Lost to James Blake
- 8🇩🇰Kenneth CarlsenQuarterfinals · Lost to Justin Gimelstob
- 🇺🇸Justin GimelstobSemifinals · Lost to Davide Sanguinetti
- 🇺🇸Vincent SpadeaQuarterfinals · Lost to Davide Sanguinetti
- 🇧🇾Vladimir VoltchkovQuarterfinals · Lost to Andre Agassi
- 🇰🇷Hyung Taik LeeRound of 16 · Lost to James Blake
- 🇺🇸Mardy FishRound of 16 · Lost to Davide Sanguinetti
- WC🇦🇺Mark PhilippoussisRound of 16 · Lost to Andre Agassi
- Q🇺🇸Paul GoldsteinRound of 16 · Lost to Kenneth Carlsen
- 🇺🇸Robby GinepriRound of 16 · Lost to Nikolay Davydenko
- Q🇺🇸Zack FleishmanRound of 16 · Lost to Justin Gimelstob
- 🇺🇸Brian VahalyRound of 32 · Lost to Todd Martin
- Q🇷🇺Dmitry TursunovRound of 32 · Lost to Mardy Fish
- 🇨🇿Jan VacekRound of 32 · Lost to Vladimir Voltchkov
- 🇲🇨Jean Rene LisnardRound of 32 · Lost to Mark Philippoussis
- 🇺🇸Jeff MorrisonRound of 32 · Lost to Nikolay Davydenko
- 🇪🇸Juan BalcellsRound of 32 · Lost to Paul Goldstein
- 🇩🇰Kristian PlessRound of 32 · Lost to Robby Ginepri
- 🇩🇪Lars BurgsmullerRound of 32 · Lost to Vincent Spadea
- 🇸🇪Magnus NormanRound of 32 · Lost to Kenneth Carlsen
- WC🇺🇸Michael ChangRound of 32 · Lost to Andre Agassi
- 🇫🇷Michael LlodraRound of 32 · Lost to Zack Fleishman
- 🇺🇸Taylor DentRound of 32 · Lost to Hyung Taik Lee
- Q🇦🇺Todd ReidRound of 32 · Lost to Jan Michael Gambill
- WCZIMWayne BlackRound of 32 · Lost to James Blake
- 🇭🇷Zeljko KrajanRound of 32 · Lost to Davide Sanguinetti