2012 Keio Challenger – Doubles

Yang Tsung-hua and Yi Chu-huan won the last edition in 2009.
Prakash Amritraj and Philipp Oswald won the title, defeating Sanchai Ratiwatana and Sonchat Ratiwatana 6–3, 6–4 in the final.

Doubles
2012 Keio Challenger
Champions	Prakash Amritraj Philipp Oswald
Runners-up	Sanchai Ratiwatana Sonchat Ratiwatana
Score	6–3, 6–4

Main article: 2012 Keio Challenger

Seeds

1. Sanchai Ratiwatana / Sonchat Ratiwatana (final)
2. Lee Hsin-han / Peng Hsien-yin (quarterfinals)
3. Purav Raja / Divij Sharan (first round)
4. Brydan Klein / Dane Propoggia (semifinals)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

Draw

	First round							Quarterfinals							Semifinals							Final
	1	Sa Ratiwatana So Ratiwatana	7	77
	WC	Koki Takada Takashi Yano	5	63				1	Sa Ratiwatana So Ratiwatana	6	77
		B Mitchell M Reid	5	6	[6]				S Fransen J Millman	2	60
		Stephan Fransen J Millman	7	4	[10]										1	Sa Ratiwatana So Ratiwatana	6	710
	4	B Klein D Propoggia	6	77											4	B Klein D Propoggia	3	68
	WC	Daiki Kondo K Uchida	0	65				4	B Klein D Propoggia	6	6
		H Moriya Y Uchiyama	3	2					M Bašić L-c Huang	1	2
		M Bašić L-c Huang	6	6																		1	Sa Ratiwatana So Ratiwatana	3	4
		T Chen A Kudryavtsev	0	2																		PR	P Amritraj P Oswald	6	6
	PR	P Amritraj P Oswald	6	6				PR	P Amritraj P Oswald	5	6	[10]
		H Kondo C-h Yi	6	77					H Kondo C-h Yi	7	4	[6]
	3	P Raja D Sharan	3	64											PR	P Amritraj P Oswald	6	6
		Andrea Arnaboldi M Viola	6	6												A Arnaboldi M Viola	1	4
	WC	T Matsui Masato Shiga	4	4					A Arnaboldi M Viola	67	6	[10]
		C-p Hsieh C Rungkat	4	4				2	H-h Lee H-y Peng	79	4	[7]
	2	H-h Lee H-y Peng	6	6

References

• Main draw