Montreal / Toronto 1981
Ivan Lendl won the title, beating Eliot Teltscher 6–3 6–2 in the final.
Main draw 64 players
- 1🇺🇸John McEnroeRound of 16 · Lost to Vijay Amritraj
- 3🇺🇸Jimmy ConnorsRound of 64 · Lost to Trey Waltke
- 4🇺🇸Ivan LendlFinal · Champion
- 5🇦🇺Peter McnamaraRound of 16 · Lost to Shlomo Glickstein
- 6🇺🇸Eliot TeltscherFinal · Lost to Ivan Lendl
- 7🇺🇸Brian TeacherQuarterfinals · Lost to Ivan Lendl
- 8🇺🇸Vitas GerulaitisRound of 32 · Lost to Steve Denton
- 9🇺🇸John SadriRound of 32 · Lost to Anand Amritraj
- 10🇮🇳Vijay AmritrajSemifinals · Lost to Eliot Teltscher
- 11🇨🇿Tomas SmidRound of 16 · Lost to Eliot Teltscher
- 12🇺🇸Sammy Giammalva JrRound of 32 · Lost to Bernie Mitton
- 13🇺🇸Tom GulliksonRound of 16 · Lost to Ramesh Krishnan
- 15🇮🇱Shlomo GlicksteinSemifinals · Lost to Ivan Lendl
- 16🇺🇸Kevin CurrenRound of 32 · Lost to Heinz Gunthardt
- 🇨🇭Heinz GunthardtQuarterfinals · Lost to Eliot Teltscher
- 🇮🇳Ramesh KrishnanQuarterfinals · Lost to Shlomo Glickstein
- 🇺🇸Steve DentonQuarterfinals · Lost to Vijay Amritraj
- 🇮🇳Anand AmritrajRound of 16 · Lost to Ivan Lendl
- 🇿🇦Bernie MittonRound of 16 · Lost to Steve Denton
- 🇦🇺Brad DrewettRound of 16 · Lost to Brian Teacher
- 🇫🇷Christophe Roger-VasselinRound of 16 · Lost to Heinz Gunthardt
- 🇫🇷Bernard FritzRound of 32 · Lost to Eliot Teltscher
- 🇺🇸Bruce MansonRound of 32 · Lost to Tomas Smid
- 🇸🇪Hans SimonssonRound of 32 · Lost to Vijay Amritraj
- 🇺🇸Jim GurfeinRound of 32 · Lost to Brian Teacher
- 🇦🇺John FitzgeraldRound of 32 · Lost to Peter Mcnamara
- 🇦🇹Peter FeiglRound of 32 · Lost to Tom Gullikson
- 🇺🇸Peter FlemingRound of 32 · Lost to John McEnroe
- 🇳🇿Russell SimpsonRound of 32 · Lost to Shlomo Glickstein
- 🇺🇸Sherwood StewartRound of 32 · Lost to Ramesh Krishnan
- 🇺🇸Steve MeisterRound of 32 · Lost to Brad Drewett
- 🇺🇸Tim GulliksonRound of 32 · Lost to Ivan Lendl
- 🇺🇸Trey WaltkeRound of 32 · Lost to Christophe Roger-Vasselin
- Q🇺🇸Andy KohlbergRound of 64 · Lost to John Fitzgerald
- 🇨🇦Bill CowanRound of 64 · Lost to Hans Simonsson
- 🇳🇿Chris LewisRound of 64 · Lost to Ivan Lendl
- 🇦🇺David CarterRound of 64 · Lost to Vijay Amritraj
- LL🇺🇸David SchneiderRound of 64 · Lost to Steve Meister
- 🇫🇷Dominique BedelRound of 64 · Lost to Tom Gullikson
- 🇺🇸Ferdi TayganRound of 64 · Lost to Vitas Gerulaitis
- Q🇺🇸Glen HolroydRound of 64 · Lost to Anand Amritraj
- WC🇨🇦Glenn MichibataRound of 64 · Lost to Kevin Curren
- 🇸🇪Jan NorbackRound of 64 · Lost to Bruce Manson
- 🇺🇸John AustinRound of 64 · Lost to Brian Teacher
- 🇬🇧John LloydRound of 64 · Lost to Peter Fleming
- Q🇨🇦Josef BrabenecRound of 64 · Lost to Brad Drewett
- 🇨🇱Juan Carlos AyalaRound of 64 · Lost to Bernie Mitton
- Q🇺🇸Mark DicksonRound of 64 · Lost to Tomas Smid
- 🇦🇺Mark EdmondsonRound of 64 · Lost to John Sadri
- 🇺🇸Nick SavianoRound of 64 · Lost to Ramesh Krishnan
- Q🇨🇦Nigel OrourkeRound of 64 · Lost to Heinz Gunthardt
- 🇺🇸Pat DupreRound of 64 · Lost to Jim Gurfein
- 🇸🇪Per HjertquistRound of 64 · Lost to John McEnroe
- 🇦🇺Phil DentRound of 64 · Lost to Russell Simpson
- 🇺🇸Rick FagelRound of 64 · Lost to Peter Feigl
- Q🇺🇸Rick MeyersRound of 64 · Lost to Eliot Teltscher
- 🇺🇸Robert Vant HofRound of 64 · Lost to Steve Denton
- 🇨🇭Roland StadlerRound of 64 · Lost to Christophe Roger-Vasselin
- WC🇨🇦Stephane BonneauRound of 64 · Lost to Bernard Fritz
- 🇦🇺Steve DochertyRound of 64 · Lost to Shlomo Glickstein
- 🇫🇷Thierry TulasneRound of 64 · Lost to Tim Gullikson
- 🇺🇸Tim WilkisonRound of 64 · Lost to Sammy Giammalva Jr
- LL🇺🇸Todd LundyRound of 64 · Lost to Sherwood Stewart
- 🇺🇸Tony GiammalvaRound of 64 · Lost to Peter Mcnamara