# 1983 Player's Canadian Open – Men's singles

Vitas Gerulaitis was the defending champion, but lost in the third round this year.
Ivan Lendl successfully defended his title, defeating Anders Järryd 6–2, 6–2 in the final.

## Seeds

* John McEnroe (semifinals)
* Ivan Lendl (champion)
* Jimmy Connors (semifinals)
* Yannick Noah (third round)
* Mats Wilander (second round)
* Kevin Curren (quarterfinals)
* Vitas Gerulaitis (third round)
* Johan Kriek (quarterfinals)
* Eliot Teltscher (second round)
* Sandy Mayer (third round)
* Tomáš Šmíd (second round)
* Henri Leconte (first round)
* Hank Pfister (first round)
* Wojtek Fibak (second round)
* Robert Van't Hof (second round)
* Brian Teacher (quarterfinals)

## 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

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | John McEnroe | 3 | 6 | | | | |
| Q | Anders Järryd | 6 | 7 | | | | |
| Q | Anders Järryd | 6 | 7 | Q | Anders Järryd | 2 | 2 |
| | | | | 2 | Ivan Lendl | 6 | 6 |
| 3 | Jimmy Connors | 1 | 3 | 2 | Ivan Lendl | 6 | 6 |
| 2 | Ivan Lendl | 6 | 6 | | | | |

### 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 | J McEnroe | 6 | 4 | 6 | | | | | | | | | |
| | G Michibata | 1 | 1 | | | M Hocevar | 2 | 6 | 1 | | | | | | | | | |
| | M Hocevar | 6 | 6 | | | | | | | 1 | J McEnroe | 6 | 5 | 6 | | | | |
| | M Bauer | 3 | 7 | 3 | | | | | | | T Mayotte | 3 | 7 | 2 | | | | |
| | T Mayotte | 6 | 5 | 6 | | T Mayotte | 6 | 6 | | | | | | | | | | |
| | C Roger-Vasselin | 1 | 7 | 1 | 14 | W Fibak | 4 | 3 | | | | | | | | | | |
| 14 | W Fibak | 6 | 6 | 6 | | | | | | | | | | | 1 | J McEnroe | 7 | 6 |
| 16 | B Teacher | 7 | 6 | | | | | | | | | | | | 16 | B Teacher | 6 | 2 |
| | D Segal | 5 | 1 | | 16 | B Teacher | 6 | 7 | | | | | | | | | | |
| | F Buehning | 6 | 6 | | | F Buehning | 2 | 6 | | | | | | | | | | |
| | M Edmondson | 0 | 3 | | | | | | | 16 | B Teacher | 6 | 6 | | | | | |
| | T Wilkison | 3 | 4 | | | | | | | | G Ocleppo | 3 | 1 | | | | | |
| | G Ocleppo | 6 | 6 | | | G Ocleppo | 6 | 6 | | | | | | | | | | |
| | | | | | 5 | M Wilander | 4 | 3 | | | | | | | | | | |

#### Section 2

| 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 | Y Noah | 6 | 6 | | | | | | | | | |
| | G Forget | 6 | 6 | | G Forget | 0 | 2 | | | | | | | | | |
| Q | T Nelson | 4 | 3 | | | | | 4 | Y Noah | 5 | 6 | 1 | | | | |
| | P Fleming | 6 | 6 | | | | | | P Fleming | 7 | 2 | 6 | | | | |
| | V Van Patten | 4 | 2 | | P Fleming | 6 | 6 | | | | | | | | | |
| | H Simonsson | 3 | 2 | 11 | T Šmíd | 4 | 1 | | | | | | | | | |
| 11 | T Šmíd | 6 | 6 | | | | | | | | | | | P Fleming | 2 | 3 |
| 9 | E Teltscher | 7 | 6 | | | | | | | | | | Q | A Järryd | 6 | 6 |
| Q | L Stefanki | 5 | 2 | 9 | E Teltscher | 6 | 2 | | | | | | | | | |
| Q | A Järryd | 6 | 6 | Q | A Järryd | 7 | 6 | | | | | | | | | |
| | T Gullikson | 2 | 3 | | | | | Q | A Järryd | 6 | 5 | 6 | | | | |
| | N Odizor | 2 | 3 | | | | | 7 | V Gerulaitis | 3 | 7 | 4 | | | | |
| | R Simpson | 6 | 6 | | R Simpson | 1 | 2 | | | | | | | | | |
| | | | | 7 | V Gerulaitis | 6 | 6 | | | | | | | | | |

#### Section 3

| 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 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 6 | K Curren | 6 | 6 | | | | | | | | |
| Q | B Dyke | 7 | 4 | 3 | | C Motta | 3 | 2 | | | | | | | | |
| | C Motta | 5 | 6 | 6 | | | | | 6 | K Curren | 6 | 6 | | | | |
| Q | G Goven | 6 | 6 | | | | | | Q | G Goven | 2 | 3 | | | | |
| | M Wostenholme | 4 | 1 | | Q | G Goven | 6 | 6 | | | | | | | | |
| | R Krishnan | 4 | 6 | 6 | | R Krishnan | 4 | 1 | | | | | | | | |
| 12 | H Leconte | 6 | 2 | 2 | | | | | | | | | 6 | K Curren | 3 | 5 |
| 13 | H Pfister | 4 | 0 | | | | | | | | | | 3 | J Connors | 6 | 7 |
| | S Giammalva Jr. | 6 | 6 | | | S Giammalva Jr. | 6 | 7 | | | | | | | | |
| | C Kirmayr | 4 | 6 | | | C Hooper | 4 | 5 | | | | | | | | |
| | C Hooper | 6 | 7 | | | | | | | S Giammalva Jr. | 0 | 4 | | | | |
| | J Nyström | 6 | 6 | | | | | | 3 | J Connors | 6 | 6 | | | | |
| | S Simonsson | 3 | 2 | | | J Nyström | 0 | 2 | | | | | | | | |
| | | | | | 3 | J Connors | 6 | 6 | | | | | | | | |

#### Section 4

| 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 |
| | | | | 8 | J Kriek | 7 | 7 | | | | | | | | | | |
| | P Cash | 2 | 2 | | P McNamee | 6 | 6 | | | | | | | | | | |
| | P McNamee | 6 | 6 | | | | | | 8 | J Kriek | 6 | 6 | | | | | |
| | R Harmon | 6 | 6 | | | | | | | R Harmon | 1 | 2 | | | | | |
| | J McCurdy | 4 | 4 | | R Harmon | 6 | 6 | | | | | | | | | | |
| | S Davis | 1 | 4 | 15 | R Van't Hof | 3 | 3 | | | | | | | | | | |
| 15 | R Van't Hof | 6 | 6 | | | | | | | | | | | 8 | J Kriek | 2 | 1 |
| 10 | S Mayer | 6 | 6 | | | | | | | | | | | 2 | I Lendl | 6 | 6 |
| | J Picken | 1 | 2 | 10 | S Mayer | 6 | 6 | 6 | | | | | | | | | |
| | S Glickstein | 6 | 6 | | S Glickstein | 7 | 1 | 3 | | | | | | | | | |
| | B Gilbert | 4 | 2 | | | | | | 10 | S Mayer | 0 | 7 | 1 | | | | |
| Q | D Power | 2 | 6 | | | | | | 2 | I Lendl | 6 | 6 | 6 | | | | |
| | S Bonneau | 6 | 7 | | S Bonneau | 2 | 1 | | | | | | | | | | |
| | | | | 2 | I Lendl | 6 | 6 | | | | | | | | | | |