Toronto 1977
Jeff Borowiak won the title, beating Jaime Fillol 6–0 6–1 in the final.
Main draw 64 players
- 1🇲🇽Raul RamirezRound of 16 · Lost to Colin Dibley
- 2🇪🇸Manuel OrantesQuarterfinals · Lost to Jaime Fillol
- 3🇵🇱Wojtek FibakRound of 16 · Lost to Buster C Mottram
- 4🇬🇧Mark CoxRound of 64 · Lost to Butch Seewagen
- 5🇮🇹Corrado BarazzuttiRound of 32 · Lost to Victor Pecci
- 6🇨🇱Jaime FillolFinal · Lost to Jeff Borowiak
- 7🇦🇺Phil DentSemifinals · Lost to Jaime Fillol
- 8🇦🇺John AlexanderSemifinals · Lost to Jeff Borowiak
- 9🇬🇧Buster C MottramQuarterfinals · Lost to Phil Dent
- 10🇨🇿Jan KodesRound of 32 · Lost to Bob Hewitt
- 11🇭🇷Zeljko FranulovicRound of 64 · Lost to Ivan Molina
- 12🇺🇸Jeff BorowiakFinal · Champion
- 16🇺🇸Bill ScanlonRound of 32 · Lost to Andrew Pattison
- 🇦🇺Colin DibleyQuarterfinals · Lost to John Alexander
- 🇦🇷Ricardo CanoQuarterfinals · Lost to Jeff Borowiak
- 🇺🇸Andrew PattisonRound of 16 · Lost to Jaime Fillol
- 🇿🇦Bob HewittRound of 16 · Lost to Ricardo Cano
- 🇺🇸Hank PfisterRound of 16 · Lost to Manuel Orantes
- 🇨🇴Ivan MolinaRound of 16 · Lost to Phil Dent
- 🇺🇸John McEnroeRound of 16 · Lost to John Alexander
- 🇵🇾Victor PecciRound of 16 · Lost to Jeff Borowiak
- 🇮🇳Anand AmritrajRound of 32 · Lost to Buster C Mottram
- Q🇪🇸Antonio MunozRound of 32 · Lost to Hank Pfister
- 🇺🇸Bill LofgrenRound of 32 · Lost to John McEnroe
- Q🇺🇸Butch SeewagenRound of 32 · Lost to Ricardo Cano
- 🇩🇪Frank GebertRound of 32 · Lost to Jeff Borowiak
- 🇺🇸Jim Delaney#338Round of 32 · Lost to Raul Ramirez
- 🇬🇧John LloydRound of 32 · Lost to Colin Dibley
- 🇨🇱Patricio CornejoRound of 32 · Lost to Jaime Fillol
- Q🇧🇴Ramiro BenavidesRound of 32 · Lost to Manuel Orantes
- 🇬🇧Richard LewisRound of 32 · Lost to Phil Dent
- 🇮🇳Sashi MenonRound of 32 · Lost to Wojtek Fibak
- 🇺🇸Sherwood StewartRound of 32 · Lost to Ivan Molina
- 🇿🇦Willem PrinslooRound of 32 · Lost to John Alexander
- Q🇨🇴Alvaro BetancurRound of 64 · Lost to Raul Ramirez
- Q🇨🇱Alvaro FillolRound of 64 · Lost to Frank Gebert
- 🇿🇦Bernie MittonRound of 64 · Lost to Hank Pfister
- 🇺🇸Billy MartinRound of 64 · Lost to John Lloyd
- Q🇦🇺Brad DrewettRound of 64 · Lost to Bob Hewitt
- 🇳🇿Brian FairlieRound of 64 · Lost to Jan Kodes
- 🇺🇸Brian TeacherRound of 64 · Lost to Corrado Barazzutti
- 🇨🇦Dale PowerRound of 64 · Lost to Jaime Fillol
- 🇬🇧David LloydRound of 64 · Lost to Buster C Mottram
- 🇿🇦Deon JoubertRound of 64 · Lost to Sherwood Stewart
- 🇺🇸Doug CrawfordRound of 64 · Lost to Bill Lofgren
- 🇸🇪Douglas PalmRound of 64 · Lost to Phil Dent
- 🇺🇸Fred McnairRound of 64 · Lost to Jeff Borowiak
- 🇺🇸George HardieRound of 64 · Lost to Patricio Cornejo
- 🇨🇱Hans GildemeisterRound of 64 · Lost to Manuel Orantes
- LL🇦🇹Hans KaryRound of 64 · Lost to Antonio Munoz
- 🇨🇦Harry FritzRound of 64 · Lost to Jim Delaney
- 🇪🇬Ismail El ShafeiRound of 64 · Lost to Anand Amritraj
- LL🇸🇪Jan NorbackRound of 64 · Lost to Colin Dibley
- 🇪🇸Javier SolerRound of 64 · Lost to Richard Lewis
- 🇨🇦John PickenRound of 64 · Lost to Sashi Menon
- Q🇯🇵Jun KukiRound of 64 · Lost to Willem Prinsloo
- 🇩🇪Karl MeilerRound of 64 · Lost to Wojtek Fibak
- 🇷🇸Nicola SpearRound of 64 · Lost to Andrew Pattison
- 🇫🇷Patrice DominguezRound of 64 · Lost to Ricardo Cano
- 🇫🇷Patrick ProisyRound of 64 · Lost to Bill Scanlon
- 🇨🇦Robert BettauerRound of 64 · Lost to John Alexander
- 🇺🇸Steve TurnerRound of 64 · Lost to Ramiro Benavides
- 🇮🇳Vijay AmritrajRound of 64 · Lost to Victor Pecci
- LL🇩🇪Werner ZirngiblRound of 64 · Lost to John McEnroe