Singles
2010 Rakuten Japan Open Tennis Championships
Champion	Rafael Nadal
Runner-up	Gaël Monfils
Score	6–1, 7–5
Draw	32 (4Q / 3WC)
Seeds	8

Jo-Wilfried Tsonga was the defending champion, but was eliminated in the first round by Jarkko Nieminen.
Top seed Rafael Nadal defeated Gaël Monfils 6–1, 7–5 to become the event's third Spanish winner since David Ferrer won in 2007.

Seeds

Draw

Finals

	Semifinals							Final
	1	Rafael Nadal	77	4	79
		Viktor Troicki	64	6	67
								1	Rafael Nadal	6	7
								5	Gaël Monfils	1	5
		Radek Štěpánek	3	3
	5	Gaël Monfils	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	R Nadal	6	6
		S Giraldo	4	4				1	R Nadal	6	6
		F Serra	4	6	4			Q	M Raonic	4	4
	Q	M Raonic	6	3	6										1	R Nadal	6	6
		R Gasquet	6	78												D Tursunov	4	1
		T de Bakker	3	66					R Gasquet	62	6	4
		D Tursunov	6	6					D Tursunov	77	1	6
	7	E Gulbis	3	4																		1	R Nadal	77	4	79
	4	J Melzer	6	4	6																		V Troicki	64	6	67
		J Mónaco	4	6	1			4	J Melzer	67	6	63
	WC	K Nishikori	4	2					V Troicki	79	3	77
		V Troicki	6	6												V Troicki	6	3	6
		G García-López	63	6	77											G García-López	2	6	4
	Q	R Ram	77	4	61				G García-López	77	6
		JM del Potro	3	0				6	F López	65	4
	6	F López	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	M Llodra	3	0
		M Chiudinelli	6	6					M Chiudinelli	7	67	1r
		A Falla	6	65	65				R Štěpánek	5	79	4
		R Štěpánek	2	77	77											R Štěpánek	w/o
		E Schwank	4	4												J Nieminen
		D Gimeno-Traver	6	6					D Gimeno-Traver	3	68
		J Nieminen	6	5	6				J Nieminen	6	710
	3	J-W Tsonga	4	7	1																		R Štěpánek	3	3
	5	G Monfils	712	6																		5	G Monfils	6	6
	WC	G Soeda	610	4				5	G Monfils	6	6
	Q	I Dodig	6	4	2				A Seppi	4	4
		A Seppi	3	6	6										5	G Monfils	77	4	78
	Q	É Roger-Vasselin	3	62											2	A Roddick	65	6	66
		J Chardy	6	77					J Chardy	4	64
	WC	T Ito	4	3				2	A Roddick	6	77
	2	A Roddick	6	6

Qualifying

Draw

First qualifier

	First round							Qualifying competition
	1	Ricardo Mello	3	6	66
	WC	Hiroki Moriya	6	1	78
								WC	Hiroki Moriya	6	4	3
								8	Rajeev Ram	4	6	6
		Peter Polansky	1	2r
	8	Rajeev Ram	6	2

Second qualifier

	First round							Qualifying competition
	2	Marsel İlhan	77	77
	WC	Hiroki Kondo	65	65
								2	Marsel İlhan	65	3
									Milos Raonic	77	6
		Milos Raonic	6	77
	6	Thiago Alves	3	62

Third qualifier

	First round							Qualifying competition
	3	Édouard Roger-Vasselin	6	6
		Yūichi Sugita	4	1
								3	Édouard Roger-Vasselin	77	6
									Takao Suzuki	63	3
		Takao Suzuki	77	77
	7	Gilles Müller	65	65

Fourth qualifier

	First round							Qualifying competition
	4	Mischa Zverev	67	77	64
		Iván Navarro	79	63	77
								4	Iván Navarro	4	2
								5	Ivan Dodig	6	6
	WC	Toshihide Matsui	3	6	60
	5	Ivan Dodig	6	4	77

External links

• Main draw
• Qualifying draw