Swiss Open Gstaad 2003
Jiri Novak won the title, beating Roger Federer 5–7 6–3 6–3 1–6 6–3 in the final.
Main draw 32 players
- 1🇨🇭Roger FedererFinal · Lost to Jiri Novak
- 2🇩🇪Rainer SchuettlerQuarterfinals · Lost to Radek Stepanek
- 3🇨🇿Jiri NovakFinal · Champion
- 4🇦🇷Gaston GaudioSemifinals · Lost to Roger Federer
- 5🇦🇷Juan Ignacio ChelaQuarterfinals · Lost to Jiri Novak
- 6🇷🇺Nikolay DavydenkoRound of 32 · Lost to Antony Dupuis
- 7🇪🇸Alex CorretjaRound of 16 · Lost to David Sanchez
- 8🇨🇿Radek StepanekSemifinals · Lost to Jiri Novak
- 🇪🇸David SanchezQuarterfinals · Lost to Roger Federer
- 🇦🇹Stefan KoubekQuarterfinals · Lost to Gaston Gaudio
- 🇫🇷Antony DupuisRound of 16 · Lost to Stefan Koubek
- 🇧🇪Christophe RochusRound of 16 · Lost to Rainer Schuettler
- 🇪🇸Feliciano LopezRound of 16 · Lost to Juan Ignacio Chela
- 🇲🇨Jean Rene LisnardRound of 16 · Lost to Roger Federer
- 🇩🇪Lars BurgsmullerRound of 16 · Lost to Gaston Gaudio
- 🇨🇭Michel KratochvilRound of 16 · Lost to Radek Stepanek
- 🇫🇷Paul Henri MathieuRound of 16 · Lost to Jiri Novak
- 🇧🇷Andre SaRound of 32 · Lost to Juan Ignacio Chela
- Q🇪🇸Galo BlancoRound of 32 · Lost to Stefan Koubek
- Q🇺🇸Hugo ArmandoRound of 32 · Lost to Radek Stepanek
- 🇬🇪Irakli LabadzeRound of 32 · Lost to Feliciano Lopez
- 🇳🇱John Van LottumRound of 32 · Lost to Alex Corretja
- 🇸🇰Karol BeckRound of 32 · Lost to David Sanchez
- 🇧🇪Kristof VliegenRound of 32 · Lost to Gaston Gaudio
- Q🇪🇸Marc LopezRound of 32 · Lost to Roger Federer
- WC🇨🇭Michael LammerRound of 32 · Lost to Christophe Rochus
- Q🇩🇪Philipp KohlschreiberRound of 32 · Lost to Paul Henri Mathieu
- 🇦🇲Sargis SargsianRound of 32 · Lost to Jiri Novak
- WC🇨🇭Stan Wawrinka#164Round of 32 · Lost to Jean Rene Lisnard
- 🇩🇪Tomas BehrendRound of 32 · Lost to Michel Kratochvil
- 🇦🇺Wayne ArthursRound of 32 · Lost to Rainer Schuettler
- 🇭🇷Zeljko KrajanRound of 32 · Lost to Lars Burgsmuller