1989 Suntory Japan Open Tennis Championships – Men's singles

Men's singles
1989 Suntory Japan Open Tennis Championships
Champion	Stefan Edberg
Runner-up	Ivan Lendl
Score	6–3, 2–6, 6–4
Draw	56 (7 Q / 5 WC )
Seeds	16

John McEnroe was the defending champion but lost in the semifinals to Stefan Edberg.

Edberg won in the final 6–3, 2–6, 6–4 against Ivan Lendl.

The top eight seeds received a bye to the second round.

	Semifinals							Final
	1	Ivan Lendl	6	6
		Richard Matuszewski	2	2
								1	Ivan Lendl	3	6	4
								2	Stefan Edberg	6	2	6
	3	John McEnroe	4	3
	2	Stefan Edberg	6	6

	First round							Second round							Third round							Quarterfinals
								1	I Lendl	7	6
		P Chamberlin	6	7	7				P Chamberlin	6	3
	SE	R Van't Hof	7	6	5										1	I Lendl	6	6
		D Pate	7	2	3										Q	B Scanlon	2	4
	Q	B Scanlon	6	6	6			Q	B Scanlon	2
		G Connell	6	6	5			16	P Cash	4r
	16	P Cash	4	7	7																	1	I Lendl	6	6
	10	D Goldie	6	2	1																		N Pereira	2	2
		J Pugh	3	6	6				J Pugh	4	6
		M Davis	3	6	4			Q	G Van Emburgh	6	7
	Q	G Van Emburgh	6	3	6										Q	G Van Emburgh	7	3	1
		N Pereira	7	7												N Pereira	5	6	6
		R Fromberg	6	6					N Pereira	6	6
								7	A Gómez	4	1

	First round							Second round							Third round							Quarterfinals
								4	Y Noah	4	5
		J Rive	2	4					G Layendecker	6	7
		G Layendecker	6	6												G Layendecker	4	6	4
		J Stoltenberg	6	3	7											J Stoltenberg	6	3	6
	Q	S Guy	4	6	6				J Stoltenberg	5	6	7
	Q	T Nydahl	4	3				13	J Fitzgerald	7	2	5
	13	J Fitzgerald	6	6																			J Stoltenberg	6	4	6
	12	J Berger	4	6																			R Matuszewski	4	6	7
		B Dyke	6	7					B Dyke	6	4	6
		K Evernden	6	6					K Evernden	4	6	7
	WC	S Shiraishi	1	4												K Evernden	4	7	2
		R Matuszewski	6	6												R Matuszewski	6	6	6
		T Svantesson	4	3					R Matuszewski	7	1	7
								6	K Curren	6	6	6

	First round							Second round							Third round							Quarterfinals
								5	B Gilbert	6	6
	WC	T Tsuchihashi	6	7				WC	T Tsuchihashi	1	3
		R Smith	2	6											5	B Gilbert	6	6
	Q	J Grabb	7	4	6										11	A Järryd	0	2
	WC	T Fukui	5	6	0			Q	J Grabb	4	6	3
	WC	S Ota	2	1				11	A Järryd	6	2	6
	11	A Järryd	6	6																		5	B Gilbert	6	4	1
	14	W Masur	6	7																		3	J McEnroe	2	6	6
	Q	A Castle	3	6				14	W Masur	6	4	6
		J-P Fleurian	1	4					R Krishnan	2	6	3
		R Krishnan	6	6											14	W Masur	2	0
		B Drewett	7	3	7										3	J McEnroe	6	6
		M Anger	5	6	6				B Drewett	2	2
								3	J McEnroe	6	6

	First round							Second round							Third round							Quarterfinals
								8	M Pernfors	3	2
	WC	H Nakano	4	1					S Davis	6	6
		S Davis	6	6												S Davis	6	7	6
		O Rahnasto	6	6	5										9	A Mansdorf	7	6	3
		C Saceanu	7	3	7				C Saceanu	4	4
		J Carlsson	2	6	3			9	A Mansdorf	6	6
	9	A Mansdorf	6	3	6																		S Davis	4	2
	15	R Seguso	3	7	6																	2	S Edberg	6	6
	Q	K Flach	6	6	4			15	R Seguso	3	3
		G Michibata	5	2					M Šrejber	6	6
		M Šrejber	7	6												M Šrejber	4	4
		L Shiras	6	3											2	S Edberg	6	6
		Z Ali	7	6					Z Ali	2	2
								2	S Edberg	6	6

• 1989 Suntory Japan Open Tennis Championships draw