Leon CH 2005
Jo-Wilfried Tsonga won the title, beating Glenn Weiner 7–5 7–5 in the final.
Main draw 32 players
- 1🇦🇷Edgardo MassaQuarterfinals · Lost to Glenn Weiner
- 2🇿🇦Wesley MoodieRound of 32 · Lost to George Bastl
- 3🇹🇼Yen Hsun LuRound of 32 · Lost to Edouard Roger-Vasselin
- 4🇧🇷Flavio SarettaRound of 32 · Lost to Dick Norman
- 5🇳🇱Dennis Van ScheppingenRound of 32 · Lost to Ramon Delgado
- 6🇸🇪Michael RyderstedtRound of 32 · Lost to Oliver Marach
- 7🇨🇱Adrian GarciaRound of 32 · Lost to Hugo Armando
- 8🇧🇪Gilles ElseneerQuarterfinals · Lost to George Bastl
- 🇫🇷Jo-Wilfried TsongaFinal · Champion
- 🇺🇸Glenn WeinerFinal · Lost to Jo-Wilfried Tsonga
- 🇨🇭George BastlSemifinals · Lost to Jo-Wilfried Tsonga
- 🇦🇷Juan Pablo BrzezickiSemifinals · Lost to Glenn Weiner
- Q🇧🇷Franco FerreiroQuarterfinals · Lost to Juan Pablo Brzezicki
- Q🇫🇮Tuomas KetolaQuarterfinals · Lost to Jo-Wilfried Tsonga
- 🇺🇸Bobby ReynoldsRound of 16 · Lost to Gilles Elseneer
- 🇧🇪Dick NormanRound of 16 · Lost to Juan Pablo Brzezicki
- Q🇫🇷Edouard Roger-VasselinRound of 16 · Lost to Jo-Wilfried Tsonga
- 🇦🇷Franco SquillariRound of 16 · Lost to Edgardo Massa
- 🇺🇸Hugo ArmandoRound of 16 · Lost to Tuomas Ketola
- 🇦🇹Oliver MarachRound of 16 · Lost to Franco Ferreiro
- 🇵🇾Ramon DelgadoRound of 16 · Lost to Glenn Weiner
- 🇯🇵Takao SuzukiRound of 16 · Lost to George Bastl
- 🇬🇧Alex BogdanovicRound of 32 · Lost to Gilles Elseneer
- 🇪🇸Fernando VicenteRound of 32 · Lost to Bobby Reynolds
- WC🇲🇽Francisco GallardoRound of 32 · Lost to Takao Suzuki
- WC🇲🇽Juan Manuel ElizondoRound of 32 · Lost to Juan Pablo Brzezicki
- 🇦🇷Juan Pablo GuzmanRound of 32 · Lost to Tuomas Ketola
- WC🇻🇪Pedro AstRound of 32 · Lost to Franco Ferreiro
- 🇷🇴Razvan SabauRound of 32 · Lost to Jo-Wilfried Tsonga
- 🇿🇦Rik De VoestRound of 32 · Lost to Glenn Weiner
- Q🇲🇽Santiago GonzalezRound of 32 · Lost to Franco Squillari
- WC🇲🇽Victor RomeroRound of 32 · Lost to Edgardo Massa