# 1973 Rothmans Canadian Open – Men's singles

The 1973 Rothmans Canadian Open – Men's singles was an event of the 1973 Rothmans Canadian Open tennis tournament that was played at the Toronto Lawn Tennis Club in Toronto in Canada rom August 20 through August 26, 1973. The draw comprised 64 players and 16 players were seeded. Ilie Năstase was the defending champion but did not participate in this edition. Third-seeded Tom Okker won the singles title, defeating fourth-seeded Manuel Orantes in the final, 6–3, 6–2, 6–1. He earned $15,000 first-prize money as well as 60 ranking points which moved him into third position on the Grand Prix ranking.

## Seeds

    01. Stan Smith (first round)
    02. Arthur Ashe (quarterfinals)
    03. Tom Okker (champion)
    04. Manuel Orantes (final)
    05. Nikola Pilić (third round)
    06. Rod Laver (third round)
    07. Ken Rosewall (third round)
    08. Marty Riessen (first round)
    09. Adriano Panatta (first round)
    10. John Newcombe (quarterfinals)
    11. Mark Cox (third round)
    12. Cliff Richey (first round)
    13. Jaime Fillol (third round)
    14. John Alexander (third round)
    15. Björn Borg (quarterfinals)
    16. Paolo Bertolucci (quarterfinals)
Click on the seed number of a player to go to their draw section.

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| | Cliff Drysdale | 6 | 6 | | | | | | | | | | |
| 16 | Paolo Bertolucci | 2 | 4 | | | | | | | | | | |
| 16 | Paolo Bertolucci | 2 | 4 | | Cliff Drysdale | 4 | 4 | | | | | | |
| | | | | 4 | Manuel Orantes | 6 | 6 | | | | | | |
| 4 | Manuel Orantes | 7 | 7$^7$ | 4 | Manuel Orantes | 6 | 6 | | | | | | |
| 15 | Björn Borg | 5 | 6$^4$ | | | | | | | | | | |
| 15 | Björn Borg | 5 | 6$^4$ | | | | | | 4 | Manuel Orantes | 3 | 2 | 1 |
| | | | | | | | | | 3 | Tom Okker | 6 | 6 | 6 |
| 10 | John Newcombe | 6$^3$ | 2 | | | | | | | | | | | 3 | Tom Okker | 6 | 6 | 6 |
| 3 | Tom Okker | 7$^7$ | 6 | | | | | | | | | | |
| 3 | Tom Okker | 7$^7$ | 6 | 3 | Tom Okker | 6 | 6$^3$ | 6 | | | | | |
| | | | | | Iván Molina | 3 | 7$^7$ | 1 | | | | | |
| | Iván Molina | 6 | 6 | | Iván Molina | 3 | 7$^7$ | 1 | | | | | |
| 2 | Arthur Ashe | 4 | 3 | | | | | | | | | | |

### Top half
#### Section 1

| First Round | First Round | First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Second Round | Third Round | Third Round | Third Round | Third Round | Third Round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 1 | Stan Smith | 6 | 5 | | | | | | | | | | | | | | | |
| | Eddie Dibbs | 7 | 7 | | | Eddie Dibbs | 6$^8$ | 6 | | | | | | | | | | |
| | Jeff Borowiak | 6$^5$ | 5 | | | Cliff Drysdale | 7$^{10}$ | 7 | | | | | | | | | | |
| | Cliff Drysdale | 7$^7$ | 7 | | | | | | | | Cliff Drysdale | 6 | 5 | 7 | | | | |
| 13 | Jaime Fillol | 6 | 6 | | | | | | | 13 | Jaime Fillol | 3 | 7 | 6 | | | | |
| | David Brown | 4 | 2 | | 13 | Jaime Fillol | 6 | 6 | | | | | | | | | | |
| | Ian Fletcher | 6 | 6 | | | Ian Fletcher | 4 | 3 | | | | | | | | | | |
| | Corrado Barazzutti | 1 | 0 | | | | | | | | | | | | | Cliff Drysdale | 6 | 6 |
| 8 | Marty Riessen | 3 | 2 | | | | | | | | | | | | 16 | Paolo Bertolucci | 2 | 4 |
| | Charlie Pasarell | 6 | 6 | | | Charlie Pasarell | 6 | 6 | 6 | | | | | | | | | |
| | Patrick Proisy | 6 | 6 | | | Patrick Proisy | 7 | 3 | 2 | | | | | | | | | |
| | Humphrey Hose | 1 | 3 | | | | | | | | Charlie Pasarell | 6 | 4 | 2 | | | | |
| 16 | Paolo Bertolucci | 6 | 7 | | | | | | | 16 | Paolo Bertolucci | 1 | 6 | 6 | | | | |
| | Ove Bengtson | 3 | 5 | | 16 | Paolo Bertolucci | 6 | 6 | | | | | | | | | | |
| | Rolf Norberg | 2 | 7 | 6 | | Rolf Norberg | 4 | 3 | | | | | | | | | | |
| | Jim McManus | 6 | 5 | 2 | | | | | | | | | | | | | | |

#### Section 2

| First Round | First Round | First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Third Round | Third Round | Third Round | Third Round | Third Round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 4 | Manuel Orantes | 3 | 6 | 6 | | | | | | | | | | | | | |
| | Frank Froehling | 6 | 2 | 3 | 4 | Manuel Orantes | 6 | 6 | | | | | | | | | |
| | Don McCormick | 2 | 1 | | | Wanaro N'Godrella | 2 | 3 | | | | | | | | | |
| | Wanaro N'Godrella | 6 | 6 | | | | | | 4 | Manuel Orantes | 7 | 6 | | | | | |
| 14 | John Alexander | 6 | 7 | | | | | | 14 | John Alexander | 5 | 3 | | | | | |
| | Tony Bardsley | 4 | 6 | | 14 | John Alexander | 6 | 7 | | | | | | | | | |
| | Milan Holeček | 6 | 5 | 6 | | Milan Holeček | 0 | 5 | | | | | | | | | |
| | Bob Carmichael | 1 | 7 | 2 | | | | | | | | | | 4 | Manuel Orantes | 7 | 7$^7$ |
| 7 | Ken Rosewall | 6 | 6$^5$ | 6 | | | | | | | | | | 15 | Björn Borg | 5 | 6$^4$ |
| | Tonino Zugarelli | 3 | 7$^7$ | 4 | 7 | Ken Rosewall | 7 | 6 | | | | | | | | | |
| | Guillermo Vilas | 6 | 6 | | | Guillermo Vilas | 6 | 0 | | | | | | | | | |
| | Mike Estep | 2 | 1 | | | | | | 7 | Ken Rosewall | 6 | 1 | 5 | | | | |
| 15 | Björn Borg | 6 | 6 | | | | | | 15 | Björn Borg | 2 | 6 | 7 | | | | |
| | Pat Cramer | 4 | 2 | | 15 | Björn Borg | 6 | 6 | | | | | | | | | |
| | Phil Dent | 2 | 6 | 2 | | Dick Crealy | 2 | 3 | | | | | | | | | |
| | Dick Crealy | 6 | 3 | 6 | | | | | | | | | | | | | |

### Bottom half
#### Section 3

| First Round | First Round | First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Second Round | Third Round | Third Round | Third Round | Third Round | Third Round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | Graham Stilwell | 6 | 7 | | | | | | | | | | | | | | | |
| | Keith Carpenter | 3 | 5 | | | Graham Stilwell | 3 | 4 | | | | | | | | | | |
| | Ray Moore | 2 | 1 | | 10 | John Newcombe | 6 | 6 | | | | | | | | | | |
| 10 | John Newcombe | 6 | 6 | | | | | | | 10 | John Newcombe | 6 | 6 | | | | | |
| | Chris Burr | 2 | 2 | | | | | | | 5 | Nikola Pilić | 4 | 4 | | | | | |
| | Jean-Baptiste Chanfreau | 6 | 6 | | | Jean-Baptiste Chanfreau | 6 | 6 | 0 | | | | | | | | | |
| | Patricio Cornejo | 4 | 1 | | 5 | Nikola Pilić | 4 | 7 | 6 | | | | | | | | | |
| 5 | Nikola Pilić | 6 | 6 | | | | | | | | | | | | 10 | John Newcombe | 6$^3$ | 2 |
| | Frew McMillan | 6 | 6 | | | | | | | | | | | | 3 | Tom Okker | 7$^7$ | 6 |
| | Ismail El Shafei | 7 | 7 | | | Ismail El Shafei | 2 | 0 | | | | | | | | | | |
| | Raúl Ramírez | 1 | 3 | | 11 | Mark Cox | 6 | 6 | | | | | | | | | | |
| 11 | Mark Cox | 6 | 6 | | | | | | | 11 | Mark Cox | 6 | 4 | 4 | | | | |
| | Gerald Battrick | 6 | 6 | | | | | | | 3 | Tom Okker | 4 | 6 | 6 | | | | |
| | Owen Davidson | 2 | 2 | | | Gerald Battrick | 2 | 0 | | | | | | | | | | |
| | Ross Case | 6 | 3 | 2 | 3 | Tom Okker | 6 | 6 | | | | | | | | | | |
| 3 | Tom Okker | 4 | 6 | 6 | | | | | | | | | | | | | | |

#### Section 4

| First Round | First Round | First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Second Round | Third Round | Third Round | Third Round | Third Round | Third Round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | John Fort | 1 | 1 | | | | | | | | | | | | | | | |
| | Iván Molina | 6 | 6 | | | Iván Molina | 6 | 6 | | | | | | | | | | |
| | Mike Belkin | 6 | 6 | | | Mike Belkin | 4 | 2 | | | | | | | | | | |
| 9 | Adriano Panatta | 4 | 3 | | | | | | | | Iván Molina | 4 | 6 | 6 | | | | |
| | Erik van Dillen | 6$^6$ | 6 | 6 | | | | | | 6 | Rod Laver | 6 | 2 | 3 | | | | |
| | Harold Solomon | 7$^8$ | 2 | 2 | | Erik van Dillen | 0 | 5 | | | | | | | | | | |
| | Geoff Masters | 3 | 0 | | 6 | Rod Laver | 6 | 7 | | | | | | | | | | |
| 6 | Rod Laver | 6 | 6 | | | | | | | | | | | | | Iván Molina | 6 | 6 |
| | Georges Goven | 4 | 6 | 4 | | | | | | | | | | | 2 | Arthur Ashe | 4 | 3 |
| | Haroon Rahim | 6 | 1 | 6 | | Haroon Rahim | 1 | 6 | 3 | | | | | | | | | |
| | Patrice Dominguez | 1 | 6 | 6 | | Patrice Dominguez | 6 | 3 | 6 | | | | | | | | | |
| 12 | Cliff Richey | 6 | 3 | 4 | | | | | | | Patrice Dominguez | 5 | 6 | 3 | | | | |
| | Jiří Hřebec | 6 | 4 | | | | | | | 2 | Arthur Ashe | 7 | 1 | 6 | | | | |
| | Andrew Pattison | 7 | 6 | | | Andrew Pattison | 4 | 6 | 6 | | | | | | | | | |
| | Antonio Muñoz | 4 | 1 | | 2 | Arthur Ashe | 6 | 2 | 7 | | | | | | | | | |
| 2 | Arthur Ashe | 6 | 6 | | | | | | | | | | | | | | | |