Doubles
2009 Rakuten Japan Open Tennis Championships
Final
Champions	Julian Knowle Jürgen Melzer
Runners-up	Ross Hutchins Jordan Kerr
Score	6–2, 5–7, [10–8]
Events
Singles Doubles
← 2008 · Rakuten Japan Open Tennis Championships · 2010 →

Mikhail Youzhny and Mischa Zverev were the defending champions, but they chose not to participate this year.
Julian Knowle and Jürgen Melzer won in the final 6–2, 5–7, [10–8] against Ross Hutchins and Jordan Kerr.

	First round							Quarterfinals							Semifinals							Final
	1	F Čermák M Mertiňák	6	6
		A Beck P Petzschner	2	3				1	F Čermák M Mertiňák	77	4	[10]
		C Kas J Levinský	6	6					C Kas J Levinský	60	6	[12]
	ALT	M Chiudinelli D Meffert	3	2												C Kas J Levinský	3	6	[7]
	4	T Parrott F Polášek	2	7	[7]											R Hutchins J Kerr	6	3	[10]
	WC	H Kondo G Soeda	6	5	[10]			WC	H Kondo G Soeda	2	3
		R Hutchins J Kerr	7	4	[10]				R Hutchins J Kerr	6	6
		J Mónaco R Štěpánek	5	6	[7]																		R Hutchins J Kerr	2	7	[8]
		J Brunström J-J Rojer	6	3	[11]																		J Knowle J Melzer	6	5	[10]
		S Huss S Lipsky	3	6	9				J Brunström J-J Rojer	6	4	[9]
		J Knowle J Melzer	4	77	[14]				J Knowle J Melzer	3	6	[11]
	3	S Aspelin P Hanley	6	65	[12]											J Knowle J Melzer	6	4	[10]
		J Coetzee R de Voest	2	4											WC	S Iwabuchi T Suzuki	2	6	[4]
		J-W Tsonga S Wawrinka	6	6					J-W Tsonga S Wawrinka	3	6	[8]
	WC	S Iwabuchi T Suzuki	6	3	[10]			WC	S Iwabuchi T Suzuki	6	4	[10]
	2	M Damm R Lindstedt	1	6	[6]

• Main Draw