Shanghai Masters 2003
Mark Philippoussis won the title, beating Jiri Novak 6–2 6–1 in the final.
Main draw 32 players
- 1🇨🇿Jiri NovakFinal · Lost to Mark Philippoussis
- 2🇳🇱Martin VerkerkRound of 16 · Lost to Scott Draper
- 3🇦🇺Mark PhilippoussisFinal · Champion
- 5🇩🇪Nicolas KieferRound of 16 · Lost to Ivo Karlovic
- 6🇰🇷Hyung Taik LeeRound of 32 · Lost to Eric Taino
- 7🇸🇪Magnus NormanQuarterfinals · Lost to Jiri Novak
- 8🇳🇱John Van LottumRound of 32 · Lost to Robin Soderling
- 🇸🇪Robin SoderlingSemifinals · Lost to Mark Philippoussis
- 🇦🇺Wayne ArthursSemifinals · Lost to Jiri Novak
- WC🇦🇷Guillermo CanasQuarterfinals · Lost to Mark Philippoussis
- 🇭🇷Ivo KarlovicQuarterfinals · Lost to Wayne Arthurs
- 🇦🇺Scott DraperQuarterfinals · Lost to Robin Soderling
- 🇵🇭Eric TainoRound of 16 · Lost to Guillermo Canas
- 🇪🇸Fernando VerdascoRound of 16 · Lost to Magnus Norman
- 🇺🇸Jeff SalzensteinRound of 16 · Lost to Mark Philippoussis
- 🇺🇸Justin GimelstobRound of 16 · Lost to Robin Soderling
- 🇺🇸Robert KendrickRound of 16 · Lost to Jiri Novak
- LL🇯🇵Takao SuzukiRound of 16 · Lost to Wayne Arthurs
- Q🇺🇸Alex KimRound of 32 · Lost to Guillermo Canas
- 🇩🇪Alexander WaskeRound of 32 · Lost to Justin Gimelstob
- 🇸🇪Andreas VinciguerraRound of 32 · Lost to Mark Philippoussis
- WC🇨🇳Ben Qiang ZhuRound of 32 · Lost to Magnus Norman
- Q🇩🇪Bjorn PhauRound of 32 · Lost to Robert Kendrick
- Q🇵🇭Cecil MamiitRound of 32 · Lost to Ivo Karlovic
- 🇳🇱Dennis Van ScheppingenRound of 32 · Lost to Jiri Novak
- 🇦🇷Federico BrowneRound of 32 · Lost to Scott Draper
- 🇨🇭Ivo HeubergerRound of 32 · Lost to Jeff Salzenstein
- Q🇨🇿Jan VacekRound of 32 · Lost to Fernando Verdasco
- 🇩🇪Lars BurgsmullerRound of 32 · Lost to Takao Suzuki
- LL🇦🇺Peter LuczakRound of 32 · Lost to Wayne Arthurs
- WC🇨🇳Shao Xuan ZengRound of 32 · Lost to Martin Verkerk
- 🇸🇪Thomas EnqvistRound of 32 · Lost to Nicolas Kiefer