Indianapolis 2003
Andy Roddick won the title, beating Paradorn Srichaphan 7–6(2) 6–4 in the final.
Main draw 48 players
- 1🇺🇸Andy RoddickFinal · Champion
- 2🇹🇭Paradorn SrichaphanFinal · Lost to Andy Roddick
- 3🇳🇱Sjeng SchalkenSemifinals · Lost to Andy Roddick
- 4🇷🇺Yevgeny KafelnikovRound of 16 · Lost to Nicolas Kiefer
- 5🇺🇸Jan Michael GambillRound of 16 · Lost to Xavier Malisse
- 6🇺🇸Mardy FishRound of 16 · Lost to Scott Draper
- 7🇺🇸Robby GinepriQuarterfinals · Lost to Sjeng Schalken
- 8🇰🇷Hyung Taik LeeRound of 32 · Lost to Nicolas Thomann
- 9🇧🇪Xavier MalisseQuarterfinals · Lost to Andy Roddick
- 10🇬🇧Greg RusedskiRound of 32 · Lost to Scott Draper
- 11🇭🇷Mario AncicRound of 32 · Lost to Ivo Heuberger
- 12🇺🇸Brian VahalyRound of 32 · Lost to Wesley Moodie
- 13🇩🇪Lars BurgsmullerRound of 16 · Lost to Sjeng Schalken
- 14🇩🇪Nicolas KieferQuarterfinals · Lost to Nicolas Thomann
- 15🇩🇰Kenneth CarlsenRound of 32 · Lost to Gregory Carraz
- 16🇺🇸Justin GimelstobRound of 32 · Lost to Alex Bogomolov Jr
- 🇫🇷Nicolas ThomannSemifinals · Lost to Paradorn Srichaphan
- 🇦🇺Scott DraperQuarterfinals · Lost to Paradorn Srichaphan
- 🇷🇺Alex Bogomolov JrRound of 16 · Lost to Paradorn Srichaphan
- 🇫🇷Gregory CarrazRound of 16 · Lost to Andy Roddick
- 🇨🇭Ivo HeubergerRound of 16 · Lost to Robby Ginepri
- 🇿🇦Wesley MoodieRound of 16 · Lost to Nicolas Thomann
- WC🇧🇦Amer DelicRound of 32 · Lost to Paradorn Srichaphan
- WC🇦🇺Chris GuccioneRound of 32 · Lost to Mardy Fish
- 🇫🇷Cyril SaulnierRound of 32 · Lost to Andy Roddick
- 🇵🇭Eric TainoRound of 32 · Lost to Lars Burgsmuller
- 🇵🇪Ivan MirandaRound of 32 · Lost to Sjeng Schalken
- 🇷🇸Janko TipsarevicRound of 32 · Lost to Yevgeny Kafelnikov
- 🇦🇺Peter LuczakRound of 32 · Lost to Robby Ginepri
- Q🇮🇳Prakash AmritrajRound of 32 · Lost to Nicolas Kiefer
- WC🇺🇸Rajeev RamRound of 32 · Lost to Xavier Malisse
- 🇸🇪Thomas EnqvistRound of 32 · Lost to Jan Michael Gambill
- 🇺🇸Alex KimRound of 64 · Lost to Alex Bogomolov Jr
- Q🇮🇱Andy RamRound of 64 · Lost to Peter Luczak
- WC🇺🇸Bobby ReynoldsRound of 64 · Lost to Scott Draper
- 🇵🇭Cecil MamiitRound of 64 · Lost to Chris Guccione
- Q🇺🇸Diego AyalaRound of 64 · Lost to Nicolas Thomann
- 🇮🇱Harel LevyRound of 64 · Lost to Ivo Heuberger
- LL🇷🇺Igor LevineRound of 64 · Lost to Rajeev Ram
- 🇨🇿Jan VacekRound of 64 · Lost to Thomas Enqvist
- Q🇫🇷Julien BenneteauRound of 64 · Lost to Ivan Miranda
- Q🇺🇸Matthew BehrmannRound of 64 · Lost to Cyril Saulnier
- 🇺🇸Michael ChangRound of 64 · Lost to Eric Taino
- Q🇷🇸Nenad ZimonjicRound of 64 · Lost to Janko Tipsarevic
- 🇮🇱Noam OkunRound of 64 · Lost to Gregory Carraz
- 🇵🇾Ramon DelgadoRound of 64 · Lost to Wesley Moodie
- 🇧🇷Ricardo MelloRound of 64 · Lost to Amer Delic
- 🇦🇷Sergio RoitmanRound of 64 · Lost to Prakash Amritraj