Helsinki CH 2004
Peter Wessels won the title, beating Lukas Dlouhy 4–6 6–4 6–3 in the final.
Main draw 32 players
- 1🇫🇮Jarkko NieminenRound of 16 · Lost to Arvind Parmar
- 2🇹🇼Yen Hsun LuRound of 16 · Lost to George Bastl
- 3🇪🇸Nicolas AlmagroQuarterfinals · Lost to Lukas Dlouhy
- 4🇳🇱Peter WesselsFinal · Champion
- 5🇪🇸Guillermo Garcia LopezRound of 32 · Lost to Takao Suzuki
- 6🇲🇨Jean Rene LisnardRound of 32 · Lost to Dick Norman
- 7🇺🇸Robert KendrickRound of 32 · Lost to Juho Paukku
- 8🇨🇭Marco ChiudinelliRound of 32 · Lost to Lukas Dlouhy
- 🇨🇿Lukas DlouhyFinal · Lost to Peter Wessels
- 🇬🇧Arvind ParmarSemifinals · Lost to Lukas Dlouhy
- 🇨🇭George BastlSemifinals · Lost to Peter Wessels
- 🇧🇪Dick NormanQuarterfinals · Lost to Peter Wessels
- Q🇸🇪Robert LindstedtQuarterfinals · Lost to Arvind Parmar
- 🇯🇵Takao SuzukiQuarterfinals · Lost to George Bastl
- WC🇫🇮Juho PaukkuRound of 16 · Lost to Robert Lindstedt
- Q🇸🇰Kamil CapkovicRound of 16 · Lost to Peter Wessels
- Q🇫🇮Lauri KiiskiRound of 16 · Lost to Lukas Dlouhy
- 🇮🇹Massimo DellacquaRound of 16 · Lost to Nicolas Almagro
- 🇩🇪Michael KohlmannRound of 16 · Lost to Dick Norman
- 🇷🇸Novak Djokovic#12Round of 16 · Lost to Takao Suzuki
- 🇬🇧Alan MackinRound of 32 · Lost to Nicolas Almagro
- 🇮🇹Giorgio GalimbertiRound of 32 · Lost to Robert Lindstedt
- WC🇫🇮Harri HeliovaaraRound of 32 · Lost to Lauri Kiiski
- 🇬🇧Jamie DelgadoRound of 32 · Lost to Massimo Dellacqua
- 🇫🇷Jean Michel PequeryRound of 32 · Lost to George Bastl
- WC🇫🇮Lassi KetolaRound of 32 · Lost to Kamil Capkovic
- 🇮🇹Leonardo AzzaroRound of 32 · Lost to Novak Djokovic
- 🇵🇱Lukasz KubotRound of 32 · Lost to Arvind Parmar
- 🇳🇱Melle Van GemerdenRound of 32 · Lost to Yen Hsun Lu
- WC🇫🇮Niklas BuchtRound of 32 · Lost to Peter Wessels
- Q🇫🇮Timo NieminenRound of 32 · Lost to Jarkko Nieminen
- 🇫🇮Tuomas KetolaRound of 32 · Lost to Michael Kohlmann