Singles
2015 Rakuten Japan Open Tennis Championships
Champion	Stan Wawrinka
Runner-up	Benoît Paire
Score	6–2, 6–4
Draw	32 (4Q / 3WC)
Seeds	8

Kei Nishikori was the defending champion, but lost to Benoît Paire in the semifinals.

Stan Wawrinka won the title, defeating Paire in the final, 6–2, 6–4.

Seeds

Draw

Finals

	Semifinals							Final
	1	Stan Wawrinka	6	77
		Gilles Müller	4	65
								1	Stan Wawrinka	6	6
									Benoît Paire	2	4
		Benoît Paire	1	6	6
	2	Kei Nishikori	6	4	2

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	S Wawrinka	7	6
	PR	R Štěpánek	5	3				1	S Wawrinka	6	2	6
	WC	Y Nishioka	6	0	5			WC	T Ito	3	6	4
	WC	T Ito	3	6	7										1	S Wawrinka	6	6
	Q	M Ebden	7	64	65										Q	A Krajicek	3	4
	Q	A Krajicek	5	77	77			Q	A Krajicek	2	6	6
		J Sousa	6	4	6				J Sousa	6	4	3
	7	F López	4	6	1																	1	S Wawrinka	6	77
	3	G Simon	6	6																			G Müller	4	65
	Q	M Youzhny	4	4				3	G Simon	6	6
		J Veselý	6	6					J Veselý	4	2
	WC	Y Uchiyama	4	4											3	G Simon	3	4
		J Chardy	6	2												G Müller	6	6
		S Groth	3	0r					J Chardy	63	65
		G Müller	6	6					G Müller	77	77
	5	K Anderson	2	3

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	G Dimitrov	4	6	1
		B Paire	6	3	6				B Paire	6	2	7
		M Baghdatis	7	6					M Baghdatis	3	6	5
		F Verdasco	5	1												B Paire	3	6	6
		A Ramos-Viñolas	77	3	3											N Kyrgios	6	4	1
		N Kyrgios	63	6	6				N Kyrgios	6	6
		R Bautista Agut	6	6					R Bautista Agut	4	2
	4	R Gasquet	4	1																			B Paire	1	6	6
	6	M Čilić	7	5	6																	2	K Nishikori	6	4	2
	Q	D Young	5	7	4			6	M Čilić	6	6
		B Tomic	3	1r					S Johnson	3	3
		S Johnson	6	2											6	M Čilić	6	5	3
		A Dolgopolov	65	4											2	K Nishikori	3	7	6
		S Querrey	77	6					S Querrey	63	3
		B Ćorić	6	1	2			2	K Nishikori	77	6
	2	K Nishikori	2	6	6

Qualifying

Qualifying draw

First qualifier

	First round							Qualifying competition
	1	Donald Young	6	77
		Michał Przysiężny	1	61
								1	Donald Young	6	6
									Hiroki Moriya	1	4
		Hiroki Moriya	6	2	77
	8	Yūichi Sugita	2	6	61

Second qualifier

	First round							Qualifying competition
	2	Nicolas Mahut	6	4	6
		Chen Ti	3	6	0
								2	Nicolas Mahut	4	4
								7	Austin Krajicek	6	6
	WC	Shuichi Sekiguchi	2	4
	7	Austin Krajicek	6	6

Third qualifier

	First round							Qualifying competition
	3	Mikhail Youzhny	77	6
		Jarkko Nieminen	63	3
								3	Mikhail Youzhny	79	6
								5	Pierre-Hugues Herbert	67	4
	WC	Hiroyasu Ehara	1	6	5
	5	Pierre-Hugues Herbert	6	1	7

Fourth qualifier

	First round							Qualifying competition
	4	Nikoloz Basilashvili	65	0
		Matthew Ebden	77	6
									Matthew Ebden	6	4	6
								6	Go Soeda	3	6	3
	WC	Takuto Niki	3	63
	6	Go Soeda	6	77

External links

• Main draw
• Qualifying draw