Wolfsburg CH 2004
Michal Tabara won the title, beating Florian Mayer 6–4 6–3 in the final.
Main draw 32 players
- 2🇨🇭Ivo HeubergerQuarterfinals · Lost to Michal Tabara
- 3🇩🇪Alexander WaskeRound of 32 · Lost to Alejandro Hernandez
- 4🇬🇧Arvind ParmarSemifinals · Lost to Florian Mayer
- 5🇸🇰Michal MertinakQuarterfinals · Lost to Florian Mayer
- 6🇮🇹Massimo DellacquaRound of 16 · Lost to Michal Tabara
- 7🇷🇺Andrei StoliarovRound of 16 · Lost to Michael Berrer
- 8🇩🇪Markus HantschkQuarterfinals · Lost to Arvind Parmar
- 🇨🇿Michal TabaraFinal · Champion
- 🇩🇪Florian MayerFinal · Lost to Michal Tabara
- Q🇩🇪Michael BerrerSemifinals · Lost to Michal Tabara
- 🇨🇭Jean Claude ScherrerQuarterfinals · Lost to Michael Berrer
- 🇲🇽Alejandro Hernandez#463Round of 16 · Lost to Jean Claude Scherrer
- Q🇬🇧David SherwoodRound of 16 · Lost to Ivo Heuberger
- 🇩🇪Dieter KindlmannRound of 16 · Lost to Markus Hantschk
- 🇪🇸Guillermo Garcia LopezRound of 16 · Lost to Michal Mertinak
- 🇪🇸Ivan NavarroRound of 16 · Lost to Arvind Parmar
- LL🇩🇪Lars UebelRound of 16 · Lost to Florian Mayer
- WC🇩🇪Bastian GronefeldRound of 32 · Lost to Lars Uebel
- 🇫🇷Florent SerraRound of 32 · Lost to Florian Mayer
- WC🇩🇪Jochen MatschkeRound of 32 · Lost to Guillermo Garcia Lopez
- 🇩🇪Marcello CracaRound of 32 · Lost to Ivan Navarro
- 🇨🇿Martin StepanekRound of 32 · Lost to Jean Claude Scherrer
- 🇩🇪Maximilian AbelRound of 32 · Lost to Michal Tabara
- 🇦🇹Oliver MarachRound of 32 · Lost to David Sherwood
- 🇨🇿Petr KralertRound of 32 · Lost to Markus Hantschk
- Q🇸🇪Robert LindstedtRound of 32 · Lost to Dieter Kindlmann
- Q🇨🇭Roman ValentRound of 32 · Lost to Ivo Heuberger
- WC🇩🇪Sebastian RieschickRound of 32 · Lost to Michael Berrer
- 🇨🇭Stephane BohliRound of 32 · Lost to Arvind Parmar
- WC🇩🇪Thomas SchreyerRound of 32 · Lost to Andrei Stoliarov
- 🇨🇿Tomas CaklRound of 32 · Lost to Michal Mertinak
- 🇰🇿Yuri SchukinRound of 32 · Lost to Massimo Dellacqua