Tokyo CH 1981
John Fitzgerald won the title, beating Roland Stadler 6–2 6–3 in the final.
Main draw 32 players
- 1🇦🇺John FitzgeraldFinal · Champion
- 2🇺🇸Billy MartinQuarterfinals · Lost to Roland Stadler
- 3🇮🇹Gianluca RinaldiniSemifinals · Lost to John Fitzgerald
- 4🇺🇸Mike CahillSemifinals · Lost to Roland Stadler
- 5🇨🇭Roland StadlerFinal · Lost to John Fitzgerald
- 6🇺🇸Matt DoyleQuarterfinals · Lost to Gianluca Rinaldini
- 7🇺🇸Scott MccainRound of 32 · Lost to Bruce Kleege
- 8🇦🇺Cliff LetcherRound of 16 · Lost to Jim Delaney
- Q🇺🇸Bruce KleegeQuarterfinals · Lost to John Fitzgerald
- 🇺🇸Jim Delaney#350Quarterfinals · Lost to Mike Cahill
- 🇺🇸Andy KohlbergRound of 16 · Lost to Gianluca Rinaldini
- 🇦🇺Charlie FancuttRound of 16 · Lost to Billy Martin
- 🇩🇪Damir KereticRound of 16 · Lost to Mike Cahill
- 🇺🇸Dave SieglerRound of 16 · Lost to Roland Stadler
- 🇦🇺Greg WhitecrossRound of 16 · Lost to John Fitzgerald
- 🇺🇸Jimmy AriasRound of 16 · Lost to Bruce Kleege
- 🇦🇺Wayne PascoeRound of 16 · Lost to Matt Doyle
- Q🇦🇺Alvin GardinerRound of 32 · Lost to Andy Kohlberg
- 🇺🇸Bill MazeRound of 32 · Lost to Jimmy Arias
- 🇦🇺Craig A MillerRound of 32 · Lost to Roland Stadler
- 🇯🇵Eiji TakeuchiRound of 32 · Lost to Greg Whitecross
- Q🇯🇵Hitoshi ShiratoRound of 32 · Lost to Jim Delaney
- 🇻🇪Jorge AndrewRound of 32 · Lost to Gianluca Rinaldini
- 🇯🇵Jun KamiwazumiRound of 32 · Lost to Dave Siegler
- Q🇯🇵Kiyoshi TanabeRound of 32 · Lost to Cliff Letcher
- 🇨🇭Markus GunthardtRound of 32 · Lost to Damir Keretic
- 🇺🇸Matt MitchellRound of 32 · Lost to Matt Doyle
- 🇺🇸Ron HightowerRound of 32 · Lost to John Fitzgerald
- 🇯🇵Shigeyuki NishioRound of 32 · Lost to Billy Martin
- 🇯🇵Shinichi SakamotoRound of 32 · Lost to Wayne Pascoe
- 🇯🇵Tsuyoshi FukuiRound of 32 · Lost to Charlie Fancutt
- 🇦🇺Warren MaherRound of 32 · Lost to Mike Cahill