Bangkok 2003
Taylor Dent won the title, beating Juan Carlos Ferrero 6–3 7–6(5) in the final.
Main draw 32 players
- 1🇪🇸Juan Carlos FerreroFinal · Lost to Taylor Dent
- 3🇪🇸Carlos MoyaQuarterfinals · Lost to Jarkko Nieminen
- 4🇹🇭Paradorn SrichaphanQuarterfinals · Lost to Ivan Ljubicic
- 5🇫🇮Jarkko NieminenSemifinals · Lost to Taylor Dent
- 6🇭🇷Ivan LjubicicSemifinals · Lost to Juan Carlos Ferrero
- 7🇫🇷Fabrice SantoroRound of 32 · Lost to Gregory Carraz
- 8🇺🇸Taylor DentFinal · Champion
- 🇫🇷Gregory CarrazQuarterfinals · Lost to Juan Carlos Ferrero
- 🇫🇷Nicolas ThomannQuarterfinals · Lost to Taylor Dent
- 🇷🇺Alex Bogomolov JrRound of 16 · Lost to Juan Carlos Ferrero
- 🇩🇪Alexander PoppRound of 16 · Lost to Gregory Carraz
- 🇨🇿Bohdan UlihrachRound of 16 · Lost to Jarkko Nieminen
- 🇺🇸Brian VahalyRound of 16 · Lost to Carlos Moya
- Q🇮🇱Jonathan ErlichRound of 16 · Lost to Nicolas Thomann
- 🇩🇰Kenneth CarlsenRound of 16 · Lost to Paradorn Srichaphan
- 🇭🇷Mario AncicRound of 16 · Lost to Ivan Ljubicic
- 🇫🇷Thierry AscioneRound of 16 · Lost to Taylor Dent
- WC🇮🇱Andy RamRound of 32 · Lost to Kenneth Carlsen
- 🇫🇷Cyril SaulnierRound of 32 · Lost to Ivan Ljubicic
- WC🇹🇭Danai UdomchokeRound of 32 · Lost to Jarkko Nieminen
- 🇮🇹Davide SanguinettiRound of 32 · Lost to Bohdan Ulihrach
- 🇧🇪Dick NormanRound of 32 · Lost to Juan Carlos Ferrero
- 🇮🇹Giorgio GalimbertiRound of 32 · Lost to Alex Bogomolov Jr
- 🇵🇪Ivan MirandaRound of 32 · Lost to Thierry Ascione
- Q🇦🇺Jaymon CrabbRound of 32 · Lost to Brian Vahaly
- Q🇨🇭Marco ChiudinelliRound of 32 · Lost to Mario Ancic
- Q🇨🇿Petr LuxaRound of 32 · Lost to Carlos Moya
- WC🇮🇳Prakash AmritrajRound of 32 · Lost to Nicolas Thomann
- LL🇹🇭Sonchat RatiwatanaRound of 32 · Lost to Jonathan Erlich
- 🇧🇾Vladimir VoltchkovRound of 32 · Lost to Paradorn Srichaphan
- 🇦🇹Werner EschauerRound of 32 · Lost to Alexander Popp
- 🇿🇦Wesley MoodieRound of 32 · Lost to Taylor Dent