Men's singles
1989 Player's Canadian Open
Champion	Ivan Lendl
Runner-up	John McEnroe
Score	6–1, 6–3
Draw	56
Seeds	16

Ivan Lendl was the defending champion.

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

Seeds

Draw

Finals

	Semifinals							Final
	1	Ivan Lendl	6	3	6
	3	Andre Agassi	2	6	4
								1	Ivan Lendl	6	6
								2	John McEnroe	1	3
	6	Jay Berger	6	3	4
	2	John McEnroe	4	6	6

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
								1	I Lendl	7	6
		K Jones	6	7	7				K Jones	6	1
	Q	S Stolle	7	6	6										1	I Lendl	3	6	6
		J Tarango	6	6											16	J Arias	6	1	4
		M Šrejber	4	4					J Tarango	2	2
		T Högstedt	0	2				16	J Arias	6	6
	16	J Arias	6	6																		1	I Lendl	7	4	6
	10	G Ivanišević	3	4																			G Connell	6	6	0
		J Canter	6	6					J Canter	6	7
		M Laurendeau	6	6	6				M Laurendeau	3	5
	WC	R Janecek	2	7	1											J Canter	3	7	5
	Q	M Walker	3	5												G Connell	6	5	7
		G Connell	6	7					G Connell	6	4	6
								7	M Mečíř	2	6	4

Section 2

	First round							Second round							Third round							Quarterfinals
								3	A Agassi	6	3	6
	Q	S Cannon	6	6				Q	S Cannon	3	6	3
		M Greenan	4	1											3	A Agassi	6	3	7
		L Shiras	4	6	6										13	K Evernden	2	6	5
		J Bates	6	3	0				L Shiras	4	6	4
		C Pridham	6	4				13	K Evernden	6	0	6
	13	K Evernden	7	6																		3	A Agassi	6	6
	12	A Sznajder	7	6	7																	12	A Sznajder	1	0
		N Odizor	6	7	6			12	A Sznajder	6	6
	WC	S Leblanc	1	6					J-P Fleurian	2	4
		J-P Fleurian	6	7											12	A Sznajder	6	2	6
		C Limberger	5	6	7										5	K Curren	2	6	3
		J Carlsson	7	4	6				C Limberger	4	5
								5	K Curren	6	7

Section 3

	First round							Second round							Third round							Quarterfinals
								6	J Berger	w/o
	Q	G Failla	4	4					S Youl
		S Youl	6	6											6	J Berger	6	7
		S Giammalva Jr.	6	7												S Giammalva Jr.	3	5
	Q	T Ho	4	5					S Giammalva Jr.	6	6
	Q	C Garner	2	7	7			Q	C Garner	0	1
	11	G Layendecker	6	6	5																	6	J Berger	6	6	6
	14	T Witsken	6	6																			N Pereira	7	1	3
	WC	S Lareau	1	1				14	T Witsken	3	1
		N Pereira	6	6					N Pereira	6	6
		Y Doumbia	1	3												N Pereira	6	1	6
	Q	C Beckman	2	2											4	T Mayotte	3	6	3
		P Pech	6	6					P Pech	2	6
								4	T Mayotte	6	7

Section 4

	First round							Second round							Third round							Quarterfinals
								8	Y Noah	3	7	6
		D Cassidy	2	3					A Antonitsch	6	6	7
		A Antonitsch	6	6												A Antonitsch	3	6	6
		D Nargiso	6	7	6											D Nargiso	6	3	3
		R Smith	7	5	1				D Nargiso	6	6
		M Wostenholme	7	4	2			9	G Pérez Roldán	4	2
	9	G Pérez Roldán	6	6	6																		A Antonitsch	5	6	3
	15	R Reneberg	6	6																		2	J McEnroe	7	2	6
		B Garnett	3	4				15	R Reneberg	3	7	6
		R Fromberg	6	6	6				R Fromberg	6	5	1
		G Michibata	7	4	4										15	R Reneberg	3	6
		N Caswell	6	6											2	J McEnroe	6	7
	WC	D Nestor	3	3					N Caswell	2	6	3
								2	J McEnroe	6	4	6

External links

• Main draw