Toronto 1977
Jeff Borowiak won the title, beating Jaime Fillol 6–0 6–1 in the final.
Latest results
- Semifinal: Jeff Borowiak def. John Alexander 6–4 3–6 7–6
- Semifinal: Jaime Fillol def. Phil Dent 6–3 6–3
- Quarterfinal: John Alexander def. Colin Dibley 7–5 6–4
- Quarterfinal: Jeff Borowiak def. Ricardo Cano 6–2 6–1
Toronto 1977 1977
- Defending champion
- Guillermo Vilas
Ranking points by round
| Champion | 1,000 |
| Runner-up | 650 |
| Semifinal | 400 |
| Quarterfinal | 200 |
| Round of 16 | 100 |
| Round of 32 | 50 |
| Round of 64 | 30 |
| Round of 128 | 10 |
| Qualifier bonus | 20 |
Recent finals
| Year | Champion | Runner-up |
|---|---|---|
| 1976 | Guillermo Vilas | Wojtek Fibak |
| 1975 | Manuel Orantes | Ilie Nastase |
| 1974 | Guillermo Vilas | Manuel Orantes |
| 1973 | Rod Laver | Roy Emerson |
| 1972 | Rod Laver | Ken Rosewall |
| 1969 | Cliff Richey | Earl Butch Buchholz |
| 1968 | Ramanathan Krishnan | Torben Ulrich |
Matches by round
63 finishedFinal
1 finishedFin
Semifinals
2 finishedFin
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Quarterfinals
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Round of 16
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Round of 32
16 finishedFin
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Round of 64
32 finishedFin
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