Toronto 1973
Tom Okker won the title, beating Manuel Orantes 6–3 6–2 6–1 in the final.
Main draw 64 players
- 1🇺🇸Stan SmithRound of 64 · Lost to Eddie Dibbs
- 2🇺🇸Arthur AsheQuarterfinals · Lost to Ivan Molina
- 3🇳🇱Tom OkkerFinal · Champion
- 4🇪🇸Manuel OrantesFinal · Lost to Tom Okker
- 5🇭🇷Nikola PilicRound of 16 · Lost to John Newcombe
- 6🇦🇺Rod LaverRound of 16 · Lost to Ivan Molina
- 7🇦🇺Ken RosewallRound of 16 · Lost to Bjorn Borg
- 8🇺🇸Marty RiessenRound of 64 · Lost to Charlie Pasarell
- 9🇮🇹Adriano PanattaRound of 64 · Lost to Mike Belkin
- 10🇦🇺John NewcombeQuarterfinals · Lost to Tom Okker
- 11🇬🇧Mark CoxRound of 16 · Lost to Tom Okker
- 12🇺🇸Cliff RicheyRound of 64 · Lost to Patrice Dominguez
- 13🇨🇱Jaime FillolRound of 16 · Lost to Cliff Drysdale
- 14🇦🇺John AlexanderRound of 16 · Lost to Manuel Orantes
- 15🇸🇪Bjorn BorgQuarterfinals · Lost to Manuel Orantes
- 16🇮🇹Paolo BertolucciQuarterfinals · Lost to Cliff Drysdale
- 🇿🇦Cliff DrysdaleSemifinals · Lost to Manuel Orantes
- 🇨🇴Ivan MolinaSemifinals · Lost to Tom Okker
- 🇺🇸Charlie PasarellRound of 16 · Lost to Paolo Bertolucci
- 🇫🇷Patrice DominguezRound of 16 · Lost to Arthur Ashe
- 🇺🇸Andrew PattisonRound of 32 · Lost to Arthur Ashe
- 🇦🇺Dick CrealyRound of 32 · Lost to Bjorn Borg
- 🇺🇸Eddie DibbsRound of 32 · Lost to Cliff Drysdale
- 🇺🇸Erik Van DillenRound of 32 · Lost to Rod Laver
- 🇬🇧Gerald BattrickRound of 32 · Lost to Tom Okker
- 🇬🇧Graham StilwellRound of 32 · Lost to John Newcombe
- 🇦🇷Guillermo VilasRound of 32 · Lost to Ken Rosewall
- 🇵🇰Haroon RahimRound of 32 · Lost to Patrice Dominguez
- 🇦🇺Ian FletcherRound of 32 · Lost to Jaime Fillol
- 🇪🇬Ismail El ShafeiRound of 32 · Lost to Mark Cox
- 🇫🇷Jean Baptiste ChanfreauRound of 32 · Lost to Nikola Pilic
- 🇨🇦Mike BelkinRound of 32 · Lost to Ivan Molina
- 🇨🇿Milan HolecekRound of 32 · Lost to John Alexander
- 🇫🇷Patrick ProisyRound of 32 · Lost to Charlie Pasarell
- 🇸🇪Rolf NorbergRound of 32 · Lost to Paolo Bertolucci
- 🇫🇷Wanaro N'GodrellaRound of 32 · Lost to Manuel Orantes
- 🇪🇸Antonio MunozRound of 64 · Lost to Arthur Ashe
- 🇮🇹Antonio ZugarelliRound of 64 · Lost to Ken Rosewall
- 🇦🇺Bob CarmichaelRound of 64 · Lost to Milan Holecek
- 🇨🇦Chris BurrRound of 64 · Lost to Jean Baptiste Chanfreau
- 🇮🇹Corrado BarazzuttiRound of 64 · Lost to Ian Fletcher
- 🇨🇦David BrownRound of 64 · Lost to Jaime Fillol
- 🇨🇦Don MccormickRound of 64 · Lost to Wanaro N'Godrella
- 🇺🇸Frank FroehlingRound of 64 · Lost to Manuel Orantes
- 🇿🇦Frew McmillanRound of 64 · Lost to Ismail El Shafei
- 🇦🇺Geoff MastersRound of 64 · Lost to Rod Laver
- 🇫🇷Georges GovenRound of 64 · Lost to Haroon Rahim
- 🇺🇸Harold SolomonRound of 64 · Lost to Erik Van Dillen
- 🇻🇪Humphrey HoseRound of 64 · Lost to Patrick Proisy
- 🇺🇸Jeff BorowiakRound of 64 · Lost to Cliff Drysdale
- 🇺🇸Jim McmanusRound of 64 · Lost to Rolf Norberg
- 🇨🇿Jiri HrebecRound of 64 · Lost to Andrew Pattison
- 🇺🇸John FortRound of 64 · Lost to Ivan Molina
- 🇨🇦Keith CarpenterRound of 64 · Lost to Graham Stilwell
- 🇺🇸Mike EstepRound of 64 · Lost to Guillermo Vilas
- 🇸🇪Ove BengtsonRound of 64 · Lost to Paolo Bertolucci
- 🇦🇺Owen DavidsonRound of 64 · Lost to Gerald Battrick
- 🇿🇦Pat CramerRound of 64 · Lost to Bjorn Borg
- 🇨🇱Patricio CornejoRound of 64 · Lost to Nikola Pilic
- 🇦🇺Phil DentRound of 64 · Lost to Dick Crealy
- 🇲🇽Raul RamirezRound of 64 · Lost to Mark Cox
- 🇿🇦Raymond MooreRound of 64 · Lost to John Newcombe
- 🇦🇺Ross CaseRound of 64 · Lost to Tom Okker
- 🇨🇦Tony BardsleyRound of 64 · Lost to John Alexander