Singles
1986 Tokyo Indoor
Final
Champion	Boris Becker
Runner-up	Stefan Edberg
Score	7–6, 6–1
Details
Draw	32
Seeds	8
Events
Singles Doubles
← 1985 · Tokyo Indoor · 1987 →

Ivan Lendl was the defending champion, but lost in the semifinals this year.

Boris Becker won the tournament, beating Stefan Edberg in the final, 7–6, 6–1.

	Semifinals							Final
	1	Ivan Lendl	5	1
	3	Stefan Edberg	7	6
								3	Stefan Edberg	6	1
								2	Boris Becker	7	6
	4	Jimmy Connors	6	6	3
	2	Boris Becker	7	2	6

	First round							Second round							Quarterfinals							Semifinals
	1	I Lendl	6	6
	WC	S Matsuoka	1	1				1	I Lendl	6	6
		P McNamee	7	6	6				P McNamee	2	3
	Q	V Wilder	6	7	3										1	I Lendl	6	6
		S Davis	6	6												S Davis	3	3
	SE	J Carlsson	1	1					S Davis	7	7
		M Davis	7	3	6			7	A Krickstein	6	6
	7	A Krickstein	6	6	7																	1	I Lendl	5	1
	3	S Edberg	6	6																		3	S Edberg	7	6
		J Arias	2	2				3	S Edberg	4	6	6
	SE	K Jones	6	6	6			SE	K Jones	6	1	0
		J Canter	7	3	4										3	S Edberg	7	6
	WC	F Fukui	6	6											6	D Pate	6	1
	WC	Masayoshi Takeyari	4	3				WC	F Fukui	3	2
		M Freeman	3	6				6	D Pate	6	6
	6	D Pate	6	7

	First round							Second round							Quarterfinals							Semifinals
	5	A Gómez	1	6	6
		R Krishnan	6	4	3			5	A Gómez	4	3
		E Jelen	7	6					E Jelen	6	6
	Q	K Flach	6	1												E Jelen	6	3
	Q	D Rostagno	1	1											4	J Connors	7	6
	Q	B Scanlon	6	6				Q	B Scanlon	3	6
		M Leach	1	6	2			4	J Connors	6	7
	4	J Connors	6	3	6																	4	J Connors	6	6	3
	8	U Stenlund	1	6	6																	2	B Becker	7	2	6
		B Schultz	6	2	3			8	U Stenlund	1	2
		T Witsken	6	3	3				P Annacone	6	6
		P Annacone	3	6	6											P Annacone	2	4
		J Yzaga	6	6											2	B Becker	6	6
		G Holmes	4	4					J Yzaga	3	2
		M Anger	3	4				2	B Becker	6	6
	2	B Becker	6	6

• Main draw