Singles
1985 Tokyo Indoor
Final
Champion	Ivan Lendl
Runner-up	Mats Wilander
Score	6–0, 6–4
Details
Draw	32
Seeds	8
Events
Singles Doubles
← 1984 · Tokyo Indoor · 1986 →

Jimmy Connors was the defending champion, but he withdrew from his semifinals match this year.

Ivan Lendl won the tournament, beating Mats Wilander in the final, 6–0, 6–4.

	Semifinals							Final
	1	Ivan Lendl	6	77
	4	Boris Becker	3	61
								1	Ivan Lendl	6	6
								2	Mats Wilander	0	4
	3	Jimmy Connors
	2	Mats Wilander	w/o

	First round							Second round							Quarterfinals							Semifinals
	1	I Lendl	6	6
		S Davis	4	1				1	I Lendl	6	6
		G Holmes	6	5	4				D Pate	3	3
		D Pate	2	7	6										1	I Lendl	6	7
		B Gilbert	77	6											8	T Mayotte	4	5
	WC	T Fukui	65	2					B Gilbert	2	2
		V Gerulaitis	2	1				8	T Mayotte	6	6
	8	T Mayotte	6	6																		1	I Lendl	6	77
	4	B Becker	6	6																		4	B Becker	3	61
		B Schultz	2	0				4	B Becker	6	6
		J Sadri	6	6					J Sadri	3	1
		J Arias	3	3											4	B Becker	710	6
		H van Boeckel	6	6											5	A Järryd	68	4
	Q	A El-Mehelmy	3	3					H van Boeckel	3	3
		S Živojinović	1	6	4			5	A Järryd	6	6
	5	A Järryd	6	3	6

	First round							Second round							Quarterfinals							Semifinals
	7	T Šmíd	2	65
	WC	V Van Patten	6	77				WC	V Van Patten	710	6
	WC	S Shiraishi	3	2					S Giammalva Jr.	68	0
		S Giammalva Jr.	6	6											WC	V Van Patten	5	2
	SE	J Carlsson	1	65											3	J Connors	7	6
		R Seguso	6	77					R Seguso	2	1
		J Fitzgerald	0	5				3	J Connors	6	6
	3	J Connors	6	7																		3	J Connors
	6	A Gómez	77	7																		2	M Wilander	w/o
	Q	M Oosting	63	5				6	A Gómez	6	6
	SE	G Michibata	6	6				SE	G Michibata	2	3
	Q	J Canter	3	3											6	A Gómez	4	6	65
		K Flach	5	4											2	M Wilander	6	2	77
		J Hlasek	7	6					J Hlasek	3	6	62
	Q	R Brown	2	2				2	M Wilander	6	3	77
	2	M Wilander	6	6

• Main draw