# 1984 Player's Canadian Open – Men's singles

Ivan Lendl was the defending champion, but lost in the second round this year.
John McEnroe successfully defended his title, defeating Vitas Gerulaitis 6–0, 6–3 in the final.

## Seeds

* Ivan Lendl (second round)
* John McEnroe (champion)
* Jimmy Connors (semifinals)
* Jimmy Arias (quarterfinals)
* Johan Kriek (second round)
* Anders Järryd (third round)
* Eliot Teltscher (quarterfinals)
* Vitas Gerulaitis (final)
* Pat Cash (third round)
* Joakim Nyström (second round)
* Tim Mayotte (first round)
* Bill Scanlon (third round)
* Kevin Curren (semifinals)
* Henri Leconte (third round)
* Heinz Günthardt (first round)
* Peter Fleming (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 | Semifinals | Final | Final | Final | Final |
| 13 | Kevin Curren | 6 | 6 | 6 | | | | |
| 8 | Vitas Gerulaitis | 4 | 7 | 7 | | | | |
| 8 | Vitas Gerulaitis | 4 | 7 | 7 | 8 | Vitas Gerulaitis | 0 | 3 |
| | | | | | 2 | John McEnroe | 6 | 6 |
| 3 | Jimmy Connors | 6 | 2 | 3 | 2 | John McEnroe | 6 | 6 |
| 2 | John McEnroe | 2 | 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 | Quarterfinals |
| | | | | | 1 | I Lendl | 6 | 4 | | | | | | | | | | | |
| | F González | 7 | 6 | | | F González | 7 | 6 | | | | | | | | | | | |
| | L Bourne | 6 | 4 | | | | | | | | F González | 6 | 5 | | | | | | |
| | W Fibak | 6 | 6 | 2 | | | | | | 13 | K Curren | 7 | 7 | | | | | | |
| | L Stefanki | 4 | 7 | 6 | | L Stefanki | 4 | 2 | | | | | | | | | | | |
| | M Doyle | 2 | 2 | | 13 | K Curren | 6 | 6 | | | | | | | | | | | |
| 13 | K Curren | 6 | 6 | | | | | | | | | | | | 13 | K Curren | 3 | 6 | 6 |
| 10 | J Nyström | 6 | 6 | | | | | | | | | | | | Q | S McCain | 6 | 2 | 1 |
| WC | G Connell | 4 | 3 | | 10 | J Nyström | 4 | 1 | | | | | | | | | | | |
| Q | S McCain | 3 | 6 | 6 | Q | S McCain | 6 | 6 | | | | | | | | | | | |
| | M Davis | 6 | 2 | 3 | | | | | | Q | S McCain | 2 | 6 | 6 | | | | | |
| Q | J Vanier | 1 | 0 | | | | | | | | V Winitsky | 6 | 1 | 3 | | | | | |
| | V Winitsky | 6 | 6 | | | V Winitsky | 3 | 7 | 6 | | | | | | | | | | |
| | | | | | 5 | J Kriek | 6 | 5 | 0 | | | | | | | | | | |

#### Section 2

| 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 |
| | | | | 4 | J Arias | 3 | 7 | 7 | | | | | | | | | |
| | G Holmes | 6 | 6 | | G Holmes | 6 | 6 | 5 | | | | | | | | | |
| | M Lacek | 3 | 2 | | | | | | 4 | J Arias | 7 | 4 | 7 | | | | |
| | Z Kuharszky | 1 | 3 | | | | | | 12 | B Scanlon | 6 | 6 | 6 | | | | |
| | J Fitzgerald | 6 | 6 | | J Fitzgerald | 1 | 3 | | | | | | | | | | |
| | R Seguso | 6 | 5 | 12 | B Scanlon | 6 | 6 | | | | | | | | | | |
| 12 | B Scanlon | 7 | 7 | | | | | | | | | | | 4 | J Arias | 5 | 3 |
| 15 | H Günthardt | 4 | 6 | | | | | | | | | | | 8 | V Gerulaitis | 7 | 6 |
| | S Meister | 6 | 7 | | S Meister | 6 | 6 | | | | | | | | | | |
| | B Drewett | 6 | 3 | Q | T Nelson | 1 | 4 | | | | | | | | | | |
| Q | T Nelson | 7 | 6 | | | | | | | S Meister | 6 | 6 | 5 | | | | |
| | T Wilkison | 6 | 6 | | | | | | 8 | V Gerulaitis | 3 | 7 | 7 | | | | |
| | F Buehning | 2 | 3 | | T Wilkison | 7 | 1 | 6 | | | | | | | | | |
| | | | | 8 | V Gerulaitis | 6 | 6 | 7 | | | | | | | | | |

#### 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 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 7 | E Teltscher | 6 | 6 | | | | | | | | | |
| | T Högstedt | 7 | 4 | 3 | | L Shiras | 4 | 2 | | | | | | | | | |
| | L Shiras | 6 | 6 | 6 | | | | | | 7 | E Teltscher | 7 | 6 | | | | |
| | S Glickstein | 6 | 6 | | | | | | | | S Glickstein | 5 | 3 | | | | |
| | P McNamee | 1 | 4 | | | S Glickstein | 6 | 0 | 6 | | | | | | | | |
| | S Simonsson | 7 | 7 | | | S Simonsson | 4 | 6 | 2 | | | | | | | | |
| 11 | T Mayotte | 6 | 6 | | | | | | | | | | | 7 | E Teltscher | 2 | 4 |
| 9 | P Cash | 6 | 6 | | | | | | | | | | | 3 | J Connors | 6 | 6 |
| WC | H McDadi | 4 | 1 | | 9 | P Cash | 4 | 6 | 7 | | | | | | | | |
| WC | D Segal | 3 | 2 | | | J Sadri | 6 | 1 | 6 | | | | | | | | |
| | J Sadri | 6 | 6 | | | | | | | 9 | P Cash | 3 | 3 | | | | |
| Q | A Kohlberg | 2 | 6 | 6 | | | | | | 3 | J Connors | 6 | 6 | | | | |
| WC | S Bonneau | 6 | 4 | 4 | Q | A Kohlberg | 2 | 3 | | | | | | | | | |
| | | | | | 3 | J Connors | 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 |
| | | | | | 6 | A Järryd | 4 | 6 | 6 | | | | | | | | | |
| Q | J López-Maeso | 6 | 6 | 6 | Q | J López-Maeso | 6 | 3 | 4 | | | | | | | | | |
| | G Michibata | 7 | 2 | 3 | | | | | | 6 | A Järryd | 6 | 2 | 4 | | | | |
| | H Schwaier | 6 | 7 | | | | | | | 16 | P Fleming | 0 | 6 | 6 | | | | |
| | S Denton | 4 | 6 | | | H Schwaier | 6 | 2 | 6 | | | | | | | | | |
| Q | J Becka | 4 | 6 | 3 | 16 | P Fleming | 2 | 6 | 7 | | | | | | | | | |
| 16 | P Fleming | 6 | 4 | 6 | | | | | | | | | | | 16 | P Fleming | 2 | 4 |
| 14 | H Leconte | 4 | 7 | 7 | | | | | | | | | | | 2 | J McEnroe | 6 | 6 |
| | C Motta | 6 | 6 | 6 | 14 | H Leconte | 7 | 6 | | | | | | | | | | |
| | J Lloyd | 3 | 2 | | Q | S Živojinović | 6 | 4 | | | | | | | | | | |
| Q | S Živojinović | 6 | 6 | | | | | | | 14 | H Leconte | 6 | 6 | | | | | |
| | M Edmondson | 6 | 6 | | | | | | | 2 | J McEnroe | 7 | 7 | | | | | |
| WC | M Wostenholme | 4 | 3 | | | M Edmondson | 2 | 1 | | | | | | | | | | |
| | | | | | 2 | J McEnroe | 6 | 6 | | | | | | | | | | |