Japan Open 2000
Sjeng Schalken won the title, beating Nicolas Lapentti 6–4 3–6 6–1 in the final.
Main draw 56 players
- 1🇧🇷Gustavo KuertenQuarterfinals · Lost to Dominik Hrbaty
- 3🇦🇺Mark PhilippoussisQuarterfinals · Lost to Sjeng Schalken
- 4🇪🇨Nicolas LapenttiFinal · Lost to Sjeng Schalken
- 5🇺🇸Michael ChangRound of 32 · Lost to Cecil Mamiit
- 6ZIMByron BlackQuarterfinals · Lost to Nicolas Lapentti
- 7🇸🇰Dominik HrbatySemifinals · Lost to Nicolas Lapentti
- 8🇲🇦Hicham AraziSemifinals · Lost to Sjeng Schalken
- 9🇸🇰Karol KuceraRound of 16 · Lost to Dominik Hrbaty
- 10🇦🇺Andrew IlieRound of 64 · Lost to Vincent Spadea
- 11🇦🇷Mariano ZabaletaRound of 64 · Lost to Kalle Flygt
- 12🇳🇱Sjeng SchalkenFinal · Champion
- 13🇸🇪Jonas BjorkmanRound of 16 · Lost to Nicolas Lapentti
- 14🇩🇪David PrinosilRound of 32 · Lost to Yong Il Yoon
- 15🇮🇱Harel LevyRound of 16 · Lost to Wayne Black
- 16🇧🇪Christophe RochusRound of 64 · Lost to Andrea Gaudenzi
- ZIMWayne BlackQuarterfinals · Lost to Hicham Arazi
- 🇮🇹Andrea GaudenziRound of 16 · Lost to Gustavo Kuerten
- 🇵🇭Cecil MamiitRound of 16 · Lost to Sjeng Schalken
- Q🇵🇭Eric TainoRound of 16 · Lost to Hicham Arazi
- Q🇸🇪Kalle FlygtRound of 16 · Lost to Byron Black
- Q🇰🇷Yong Il YoonRound of 16 · Lost to Mark Philippoussis
- 🇧🇷Andre SaRound of 32 · Lost to Kalle Flygt
- 🇩🇪Daniel ElsnerRound of 32 · Lost to Byron Black
- 🇨🇭George BastlRound of 32 · Lost to Hicham Arazi
- Q🇰🇷Hyung Taik LeeRound of 32 · Lost to Harel Levy
- 🇮🇹Laurence TielemanRound of 32 · Lost to Dominik Hrbaty
- 🇮🇳Leander PaesRound of 32 · Lost to Andrea Gaudenzi
- Q🇨🇿Leos FriedlRound of 32 · Lost to Karol Kucera
- 🇨🇱Nicolas MassuRound of 32 · Lost to Gustavo Kuerten
- 🇧🇪Olivier RochusRound of 32 · Lost to Nicolas Lapentti
- 🇪🇸Sergi BrugueraRound of 32 · Lost to Sjeng Schalken
- 🇯🇵Takao SuzukiRound of 32 · Lost to Jonas Bjorkman
- LL🇺🇸Taylor DentRound of 32 · Lost to Wayne Black
- Q🇺🇸Vincent SpadeaRound of 32 · Lost to Eric Taino
- 🇦🇺Wayne ArthursRound of 32 · Lost to Mark Philippoussis
- 🇪🇸Alex CalatravaRound of 64 · Lost to Andre Sa
- 🇷🇺Andrei StoliarovRound of 64 · Lost to George Bastl
- LL🇬🇧Barry CowanRound of 64 · Lost to Sergi Bruguera
- 🇺🇸Chris WoodruffRound of 64 · Lost to Olivier Rochus
- 🇩🇪Christian VinckRound of 64 · Lost to Yong Il Yoon
- 🇮🇹Davide SanguinettiRound of 64 · Lost to Leos Friedl
- 🇸🇪Fredrik JonssonRound of 64 · Lost to Leander Paes
- WC🇯🇵Gouichi MotomuraRound of 64 · Lost to Daniel Elsner
- 🇦🇺Jason StoltenbergRound of 64 · Lost to Cecil Mamiit
- Q🇺🇸Jeff SalzensteinRound of 64 · Lost to Harel Levy
- 🇺🇸Jeff TarangoRound of 64 · Lost to Jonas Bjorkman
- WC🇯🇵Joji MiyaoRound of 64 · Lost to Laurence Tieleman
- 🇺🇸Kevin KimRound of 64 · Lost to Takao Suzuki
- 🇩🇪Markus HantschkRound of 64 · Lost to Wayne Black
- WC🇯🇵Michihisa OnodaRound of 64 · Lost to Eric Taino
- 🇷🇺Mikhail YouzhnyRound of 64 · Lost to David Prinosil
- 🇧🇬Orlin StanoytchevRound of 64 · Lost to Hyung Taik Lee
- 🇹🇭Paradorn SrichaphanRound of 64 · Lost to Sjeng Schalken
- 🇺🇸Paul GoldsteinRound of 64 · Lost to Karol Kucera
- WC🇯🇵Satoshi IwabuchiRound of 64 · Lost to Nicolas Massu
- WC🇯🇵Yaoki IshiiRound of 64 · Lost to Wayne Arthurs