# 1988 Player's Canadian Open – Men's singles

Ivan Lendl was the defending champion.
Lendl successfully defended his title, defeating Kevin Curren 7–6$^{(12–10)}$, 6–2 in the final.

## Seeds

* Ivan Lendl (champion)
* Stefan Edberg (second round)
* Boris Becker (withdrew)
* Jimmy Connors (semifinals)
* Pat Cash (quarterfinals)
* Tim Mayotte (quarterfinals)
* Andrés Gómez (third round)
* John McEnroe (quarterfinals)
* Anders Järryd (second round)
* Amos Mansdorf (first round)
* Slobodan Živojinović (first round)
* John Fitzgerald (second round)
* Jakob Hlasek (third round)
* Kevin Curren (final)
* Peter Lundgren (third round)
* Jay Berger (third round)

## 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 | Ivan Lendl | 6 | 6 | | | | |
| 4 | Jimmy Connors | 4 | 4 | | | | |
| 4 | Jimmy Connors | 4 | 4 | 1 | Ivan Lendl | 7$^{12}$ | 6 |
| | | | | 14 | Kevin Curren | 6$^{10}$ | 2 |
| 14 | Kevin Curren | 6 | 6 | 14 | Kevin Curren | 6$^{10}$ | 2 |
| | Mark Woodforde | 4 | 2 | | | | |

### 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 | I Lendl | 6 | 6 | | | | | | | | | | |
| | T Witsken | 1 | 6 | 7 | | T Witsken | 2 | 2 | | | | | | | | | | |
| | R Krishnan | 6 | 3 | 5 | | | | | | 1 | I Lendl | 6 | 6 | | | | | |
| | M Davis | 6 | 3 | 6 | | | | | | 16 | J Berger | 3 | 0 | | | | | |
| WC | M Wostenholme | 2 | 6 | 3 | | M Davis | 4 | 6 | 3 | | | | | | | | | |
| | S Davis | 0 | 3 | | 16 | J Berger | 6 | 2 | 6 | | | | | | | | | |
| 16 | J Berger | 6 | 6 | | | | | | | | | | | | 1 | I Lendl | 6 | 6 |
| 10 | A Mansdorf | 4 | 1 | | | | | | | | | | | | | J Frawley | 2 | 2 |
| | J Frawley | 6 | 6 | | | J Frawley | 6 | 6 | | | | | | | | | | |
| WC | A Sznajder | 6 | 7 | | WC | A Sznajder | 2 | 2 | | | | | | | | | | |
| | A Castle | 4 | 5 | | | | | | | | J Frawley | 6 | 1 | 7 | | | | |
| | J Brown | 6 | 6 | 2 | | | | | | 7 | A Gómez | 4 | 6 | 5 | | | | |
| | J-P Fleurian | 7 | 1 | 6 | | J-P Fleurian | 2 | 6 | 4 | | | | | | | | | |
| | | | | | 7 | A Gómez | 6 | 1 | 6 | | | | | | | | | |

#### Section 2

| 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 |
| | | | | | 4 | J Connors | 6 | 6 | | | | | | | | | |
| Q | D Flach | 4 | 6 | 6 | Q | D Flach | 1 | 3 | | | | | | | | | |
| Q | F Maciel | 6 | 1 | 2 | | | | | | 4 | J Connors | 6 | 6 | | | | |
| | L Shiras | 6 | 6 | | | | | | | 13 | J Hlasek | 1 | 4 | | | | |
| | M Dickson | 3 | 4 | | | L Shiras | 2 | 6 | | | | | | | | | |
| | J Pugh | 6 | 1 | 5 | 13 | J Hlasek | 6 | 7 | | | | | | | | | |
| 13 | J Hlasek | 3 | 6 | 7 | | | | | | | | | | 4 | J Connors | 7 | 7 |
| 11 | S Živojinović | 2 | 6 | | | | | | | | | | | 5 | P Cash | 6 | 6 |
| | S Giammalva Jr. | 6 | 7 | | | S Giammalva Jr. | 6 | 6 | | | | | | | | | |
| Q | S Youl | 6 | 7 | | Q | S Youl | 2 | 3 | | | | | | | | | |
| LL | J Ross | 3 | 5 | | | | | | | | S Giammalva Jr. | 2 | 2 | | | | |
| | Y Doumbia | 7 | 6 | | | | | | | 5 | P Cash | 6 | 6 | | | | |
| | M Laurendeau | 5 | 3 | | | Y Doumbia | 6 | 3 | 6 | | | | | | | | |
| | | | | | 5 | P Cash | 3 | 6 | 7 | | | | | | | | |

#### 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 | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 6 | T Mayotte | 6 | 7 | | | | | | | | | | |
| Q | C Limberger | 4 | 3 | | | W Masur | 3 | 6 | | | | | | | | | | |
| | W Masur | 6 | 6 | | | | | | 6 | T Mayotte | 7 | 5 | 7 | | | | | |
| | T Wilkison | 6 | 6 | | | | | | | T Wilkison | 6 | 7 | 6 | | | | | |
| | G Holmes | 1 | 1 | | | T Wilkison | 6 | 1 | | | | | | | | | | |
| | G Connell | 6 | 2 | 6 | 12 | J Fitzgerald | 4 | 4$^r$ | | | | | | | | | | |
| 12 | J Fitzgerald | 2 | 6 | 7 | | | | | | | | | | 6 | T Mayotte | 6 | 4 | 5 |
| 14 | K Curren | 6 | 5 | 6 | | | | | | | | | | 14 | K Curren | 3 | 6 | 7 |
| | M Anger | 4 | 7 | 3 | 14 | K Curren | 6 | 6 | | | | | | | | | | |
| | J Lozano | 5 | 3 | | | G Michibata | 2 | 4 | | | | | | | | | | |
| | G Michibata | 7 | 6 | | | | | | 14 | K Curren | 6 | 6 | | | | | | |
| | J Rive | 6 | 6 | 6 | | | | | LL | D Cassidy | 1 | 2 | | | | | | |
| | R Matuszewski | 3 | 7 | 3 | | J Rive | 4 | 4 | | | | | | | | | | |
| | | | | | LL | D Cassidy | 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 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 8 | J McEnroe | 6 | 7 | | | | | | | | | | |
| | T Nelson | 2 | 2 | | | K Evernden | 3 | 5 | | | | | | | | | | |
| | K Evernden | 6 | 6 | | | | | | | 8 | J McEnroe | 6 | 6 | | | | | |
| | D Rostagno | 7 | 6 | | | | | | | | D Rostagno | 3 | 2 | | | | | |
| | R Reneberg | 5 | 2 | | | D Rostagno | 6 | 7 | | | | | | | | | | |
| | R Seguso | 5 | 2 | | 9 | A Järryd | 3 | 5 | | | | | | | | | | |
| 9 | A Järryd | 7 | 6 | | | | | | | | | | | 8 | J McEnroe | 2 | 6 | 2 |
| 15 | P Lundgren | 6 | 6 | | | | | | | | | | | | M Woodforde | 6 | 2 | 6 |
| Q | C Garner | 3 | 2 | | 15 | P Lundgren | 6 | 6 | | | | | | | | | | |
| Q | P Carter | 6 | 7 | | Q | P Carter | 2 | 0 | | | | | | | | | | |
| Q | C Beckman | 2 | 6 | | | | | | | 15 | P Lundgren | 3 | 0 | | | | | |
| | M Woodforde | 7 | 3 | 7 | | | | | | | M Woodforde | 6 | 6 | | | | | |
| | K Flach | 6 | 6 | 5 | | M Woodforde | 6 | 7 | 6 | | | | | | | | | |
| | | | | | 2 | S Edberg | 7 | 5 | 2 | | | | | | | | | |