Olbia CH 2004
Stefano Pescosolido won the title, beating Daniel Koellerer 6–1 6–2 in the final.
Main draw 32 players
- 1🇮🇹Stefano PescosolidoFinal · Champion
- 2🇮🇹Giorgio GalimbertiRound of 32 · Lost to Tomas Tenconi
- 3🇮🇹Alessio Di MauroRound of 32 · Lost to Fred Hemmes
- 4🇧🇪Kristof VliegenRound of 32 · Lost to Potito Starace
- 5🇨🇿Michal TabaraRound of 32 · Lost to Hermes Gamonal
- 6🇭🇷Roko KaranusicRound of 16 · Lost to Leonardo Azzaro
- 7🇨🇭Stan Wawrinka#152Round of 16 · Lost to Simone Vagnozzi
- 8🇮🇹Massimo DellacquaRound of 16 · Lost to Francisco Fogues
- 🇦🇹Daniel KoellererFinal · Lost to Stefano Pescosolido
- Q🇮🇹Leonardo AzzaroSemifinals · Lost to Daniel Koellerer
- Q🇮🇹Simone VagnozziSemifinals · Lost to Stefano Pescosolido
- 🇦🇷Diego MoyanoQuarterfinals · Lost to Simone Vagnozzi
- 🇪🇸Francisco FoguesQuarterfinals · Lost to Stefano Pescosolido
- 🇮🇹Potito StaraceQuarterfinals · Lost to Leonardo Azzaro
- 🇮🇹Tomas TenconiQuarterfinals · Lost to Daniel Koellerer
- 🇮🇹Andreas SeppiRound of 16 · Lost to Stefano Pescosolido
- LL🇩🇪Bastian GronefeldRound of 16 · Lost to Tomas Tenconi
- 🇳🇱Fred HemmesRound of 16 · Lost to Diego Moyano
- 🇨🇱Hermes GamonalRound of 16 · Lost to Daniel Koellerer
- 🇩🇪Markus HantschkRound of 16 · Lost to Potito Starace
- 🇮🇹Daniele BraccialiRound of 32 · Lost to Daniel Koellerer
- WC🇮🇹Fabio DoccheRound of 32 · Lost to Markus Hantschk
- WC🇮🇹Federico LuzziRound of 32 · Lost to Simone Vagnozzi
- 🇮🇹Francesco AldiRound of 32 · Lost to Andreas Seppi
- WC🇦🇷Guillermo Perez RoldanRound of 32 · Lost to Roko Karanusic
- 🇦🇷Ignacio Gonzalez KingRound of 32 · Lost to Stefano Pescosolido
- 🇨🇱Julio PeraltaRound of 32 · Lost to Francisco Fogues
- Q🇦🇹Marko NeunteiblRound of 32 · Lost to Stan Wawrinka
- WC🇮🇹Massimo BosaRound of 32 · Lost to Bastian Gronefeld
- 🇦🇹Oliver MarachRound of 32 · Lost to Diego Moyano
- Q🇮🇹Paolo LorenziRound of 32 · Lost to Leonardo Azzaro
- 🇨🇿Petr KralertRound of 32 · Lost to Massimo Dellacqua