1989 Player's Canadian Open – Men's singles

Ivan Lendl was the defending champion.

Men's singles
1989 Player's Canadian Open
Final
ChampionCzechoslovakia Ivan Lendl
Runner-upUnited States John McEnroe
Score6–1, 6–3
Details
Draw56
Seeds16
Events
Singlesmenwomen
Doublesmenwomen
← 1988 ·Player's Canadian Open· 1990 →

Lendl successfully defended his title, defeating John McEnroe 6–1, 6–3 in the final.

Seeds

  1. Ivan Lendl (champion)
  2. John McEnroe (final)
  3. Andre Agassi (semifinals)
  4. Tim Mayotte (third round)
  5. Kevin Curren (third round)
  6. Jay Berger (semifinals)
  7. Miloslav Mečíř (second round)
  8. Yannick Noah (second round)
  9. Guillermo Pérez Roldán (second round)
  10. Goran Ivanišević (first round)
  11. Glenn Layendecker (first round)
  12. Andrew Sznajder (quarterfinals)
  13. Kelly Evernden (third round)
  14. Todd Witsken (second round)
  15. Richey Reneberg (third round)
  16. Jimmy Arias (third round)

Draw

Key

Finals

SemifinalsFinal
          
1 Ivan Lendl636
3 Andre Agassi264
1 Ivan Lendl66 
2 John McEnroe13 
6 Jay Berger634
2 John McEnroe466

Top half

Section 1

First roundSecond roundThird roundQuarterfinals
1 I Lendl76 
  K Jones677  K Jones61 
Q S Stolle7661 I Lendl366
  J Tarango66 16 J Arias614
  M Šrejber44   J Tarango22 
  T Högstedt02 16 J Arias66 
16 J Arias66 1 I Lendl746
10 G Ivanišević34   G Connell660
  J Canter66   J Canter67 
  M Laurendeau666  M Laurendeau35 
WC R Janecek271  J Canter375
Q M Walker35   G Connell657
  G Connell67   G Connell646
7 M Mečíř264

Section 2

First roundSecond roundThird roundQuarterfinals
3 A Agassi636
Q S Cannon66 Q S Cannon363
  M Greenan41 3 A Agassi637
  L Shiras46613 K Evernden265
  J Bates630  L Shiras464
  C Pridham64 13 K Evernden606
13 K Evernden76 3 A Agassi66 
12 A Sznajder76712 A Sznajder10 
  N Odizor67612 A Sznajder66 
WC S Leblanc16   J-P Fleurian24 
  J-P Fleurian67 12 A Sznajder626
  C Limberger5675 K Curren263
  J Carlsson746  C Limberger45 
5 K Curren67 

Section 3

First roundSecond roundThird roundQuarterfinals
6 J Bergerw/o  
Q G Failla44   S Youl   
  S Youl66 6 J Berger67 
  S Giammalva Jr.67   S Giammalva Jr.35 
Q T Ho45   S Giammalva Jr.66 
Q C Garner277Q C Garner01 
11 G Layendecker6656 J Berger666
14 T Witsken66   N Pereira713
WC S Lareau11 14 T Witsken31 
  N Pereira66   N Pereira66 
  Y Doumbia13   N Pereira616
Q C Beckman22 4 T Mayotte363
  P Pech66   P Pech26 
4 T Mayotte67 

Section 4

First roundSecond roundThird roundQuarterfinals
8 Y Noah376
  D Cassidy23   A Antonitsch667
  A Antonitsch66   A Antonitsch366
  D Nargiso676  D Nargiso633
  R Smith751  D Nargiso66 
  M Wostenholme7429 G Pérez Roldán42 
9 G Pérez Roldán666  A Antonitsch563
15 R Reneberg66 2 J McEnroe726
  B Garnett34 15 R Reneberg376
  R Fromberg666  R Fromberg651
  G Michibata74415 R Reneberg36 
  N Caswell66 2 J McEnroe67 
WC D Nestor33   N Caswell263
2 J McEnroe646