Singles
2015 Shimadzu All Japan Indoor Tennis Championships
Champion	Michał Przysiężny
Runner-up	John Millman
Score	6–3, 3–6, 6–3

Martin Fischer was the defending champion but decided not to participate.

Michał Przysiężny won the title defeating John Millman in the final, 6–3, 3–6, 6–3.

Seeds

Draw

Finals

	Semifinals							Final
	7	Michał Przysiężny	77	6
		Andriej Kapaś	65	4
								7	Michał Przysiężny	6	3	6
								4	John Millman	3	6	3
	4	John Millman	6	7
	2	Tatsuma Ito	3	5

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	G Soeda	6	6
	Q	Arata Onozawa	1	3				1	G Soeda	77	6
	Q	Kim Cheong-Eui	63	1					Z Li	62	3
		Z Li	77	6											1	G Soeda	4	2
		A Zaitcev	4	2											7	M Przysiężny	6	6
		J Thompson	6	6					J Thompson	1	6	3
	Q	Y Ito	3	4				7	M Przysiężny	6	3	6
	7	M Przysiężny	6	6																		7	M Przysiężny	77	6
	3	Y Sugita	6	77																			A Kapaś	65	4
		T Matsui	4	63				3	Y Sugita	63	6	3
	WC	T Suzuki	2	2					Y Uchiyama	77	1	6
		Y Uchiyama	6	6												Y Uchiyama	6	68	5
		Yu Watanuki	3	4												A Kapaś	4	710	7
		A Kapaś	6	6					A Kapaś	6	78
	PR	Karunuday Singh	3	4				6	Z Zhang	3	66
	6	Z Zhang	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	B Mitchell	6	6
		L-c Huang	4	3				8	B Mitchell	4	4
	WC	Issei Okamura	1	3				Q	H Kondo	6	6
	Q	H Kondo	6	6											Q	H Kondo
		Shuichi Sekiguchi	3	69											4	J Millman	w/o
		T Niki	6	711					T Niki	3	6	2
	WC	Hiroyasu Ehara	77	1	5			4	J Millman	6	4	6
	4	J Millman	64	6	7																	4	J Millman	6	7
	5	H Moriya	6	77																		2	T Ito	3	5
		M Ebden	3	65				5	H Moriya	4	78	6
	WC	Takashi Saito	6	6				WC	T Saito	6	66	3
		K Takeuchi	3	2											5	H Moriya	4	2
		A Whittington	3	65											2	T Ito	6	6
		Yuya Kibi	6	77					Y Kibi	5	4
		M Venus	63	3				2	T Ito	7	6
	2	T Ito	77	6

References

• Main Draw
• Qualifying Draw