Montreal / Toronto 1980
Ivan Lendl won the title, beating Bjorn Borg 4–6 5–4 RET in the final.
Main draw 64 players
- 1🇸🇪Bjorn BorgFinal · Lost to Ivan Lendl
- 2🇺🇸John McEnroeRound of 32 · Lost to Erik Van Dillen
- 3🇺🇸Vitas GerulaitisRound of 16 · Lost to Sandy Mayer
- 4🇺🇸Ivan LendlFinal · Champion
- 5🇺🇸John SadriQuarterfinals · Lost to Bjorn Borg
- 6🇨🇭Heinz GunthardtRound of 16 · Lost to Paul Kronk
- 7🇲🇽Raul RamirezRound of 64 · Lost to Robert Vant Hof
- 8🇺🇸Brian TeacherQuarterfinals · Lost to Ivan Lendl
- 9🇺🇸Tim GulliksonRound of 16 · Lost to Ivan Lendl
- 11🇺🇸Andrew PattisonRound of 32 · Lost to Paul Kronk
- 12🇺🇸Peter RennertRound of 16 · Lost to Bjorn Borg
- 13🇺🇸Butch WaltsRound of 16 · Lost to Brian Teacher
- 15🇺🇸Bruce MansonRound of 64 · Lost to Greg Halder
- 🇦🇺Paul KronkSemifinals · Lost to Ivan Lendl
- 🇺🇸Sandy MayerSemifinals · Lost to Bjorn Borg
- 🇺🇸Tom LeonardQuarterfinals · Lost to Sandy Mayer
- 🇺🇸Trey WaltkeQuarterfinals · Lost to Paul Kronk
- Q🇨🇱Alvaro FillolRound of 16 · Lost to Tom Leonard
- 🇺🇸Erik Van DillenRound of 16 · Lost to Trey Waltke
- 🇺🇸George HardieRound of 16 · Lost to John Sadri
- Q🇨🇦Bill CowanRound of 32 · Lost to Peter Rennert
- 🇺🇸Billy MartinRound of 32 · Lost to John Sadri
- 🇨🇦Greg HalderRound of 32 · Lost to Tom Leonard
- 🇧🇷Joao SoaresRound of 32 · Lost to Sandy Mayer
- 🇦🇺John JamesRound of 32 · Lost to Ivan Lendl
- 🇺🇸Kevin CurrenRound of 32 · Lost to Trey Waltke
- 🇫🇮Leo PalinRound of 32 · Lost to Brian Teacher
- 🇿🇦Raymond MooreRound of 32 · Lost to George Hardie
- 🇺🇸Rick FisherRound of 32 · Lost to Vitas Gerulaitis
- 🇺🇸Robert Vant HofRound of 32 · Lost to Alvaro Fillol
- 🇨🇿Stanislav BirnerRound of 32 · Lost to Heinz Gunthardt
- 🇸🇪Stefan SimonssonRound of 32 · Lost to Butch Walts
- 🇺🇸Tim WilkisonRound of 32 · Lost to Tim Gullikson
- 🇺🇸Tom GulliksonRound of 32 · Lost to Bjorn Borg
- 🇨🇴Alvaro BetancurRound of 64 · Lost to Paul Kronk
- 🇺🇸Bill MazeRound of 64 · Lost to Raymond Moore
- Q🇨🇦Brian MillarRound of 64 · Lost to Trey Waltke
- Q🇺🇸Bruce KleegeRound of 64 · Lost to Bill Cowan
- 🇿🇦Byron BertramRound of 64 · Lost to Stanislav Birner
- 🇦🇺Cliff LetcherRound of 64 · Lost to George Hardie
- 🇬🇧Colin DowdeswellRound of 64 · Lost to Ivan Lendl
- 🇺🇸David SchneiderRound of 64 · Lost to Peter Rennert
- 🇲🇽Emilio MontanoRound of 64 · Lost to Alvaro Fillol
- 🇨🇦Francois SynnaeghalRound of 64 · Lost to Rick Fisher
- 🇺🇸Gene MalinRound of 64 · Lost to Andrew Pattison
- Q🇨🇦Glenn MichibataRound of 64 · Lost to Stefan Simonsson
- 🇦🇷Guillermo AuboneRound of 64 · Lost to Kevin Curren
- 🇺🇸Howard SchoenfieldRound of 64 · Lost to John James
- 🇨🇱Jaime FillolRound of 64 · Lost to Tom Gullikson
- 🇨🇿Jan KodesRound of 64 · Lost to John Sadri
- LL🇺🇸Jeff RobbinsRound of 64 · Lost to Sandy Mayer
- Q🇺🇸Jeremy CohenRound of 64 · Lost to Tom Leonard
- 🇬🇧John LloydRound of 64 · Lost to Erik Van Dillen
- 🇨🇦Martin WostenholmeRound of 64 · Lost to John McEnroe
- 🇺🇸Michael GrantRound of 64 · Lost to Butch Walts
- 🇸🇪Per HjertquistRound of 64 · Lost to Joao Soares
- Q🇺🇸Richard MeyerRound of 64 · Lost to Tim Wilkison
- 🇺🇸Rick FagelRound of 64 · Lost to Billy Martin
- 🇳🇿Russell SimpsonRound of 64 · Lost to Brian Teacher
- 🇨🇦Stephane BonneauRound of 64 · Lost to Tim Gullikson
- 🇦🇺Steve DochertyRound of 64 · Lost to Heinz Gunthardt
- Q🇺🇸Steve RogulRound of 64 · Lost to Bjorn Borg
- 🇺🇸Tom CainRound of 64 · Lost to Vitas Gerulaitis
- 🇺🇸Van WinitskyRound of 64 · Lost to Leo Palin