2013 Keio Challenger – Doubles

Prakash Amritraj and Philipp Oswald were the defending champions but chose not to compete.
Bradley Klahn and Michael Venus defeated second seeds Sanchai Ratiwatana and Sonchat Ratiwatana 7–5, 6–1.

Doubles
2013 Keio Challenger
Champions	Bradley Klahn Michael Venus
Runners-up	Sanchai Ratiwatana Sonchat Ratiwatana
Score	7–5, 6–1

Main article: 2013 Keio Challenger

Seeds

1. Marin Draganja / Mate Pavić (first round)
2. Sanchai Ratiwatana / Sonchat Ratiwatana (final)
3. Frank Moser / Matt Reid (first round)
4. James Cerretani / Adil Shamasdin (first round)

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	M Draganja M Pavić	3	610
	Alt	T Matsui D Udomchoke	6	712				Alt	T Matsui D Udomchoke	6	3	[9]
		T Chen E López-Pérez	6	7					T Chen E López-Pérez	3	6	[11]
	WC	Koki Takada Takashi Yano	1	5												T Chen E López-Pérez	3	63
	3	F Moser M Reid	3	2												B Klahn M Venus	6	77
		C Buchanan B Rola	6	6					C Buchanan B Rola	6	4	[8]
		B Klein T-h Yang	3	4					B Klahn M Venus	4	7	[10]
		B Klahn M Venus	6	6																			B Klahn M Venus	7	6
	WC	Yoshifumi Inoue Kweon Dae-yang	3	64																		2	Sa Ratiwatana So Ratiwatana	5	1
		H-h Lee H-y Peng	6	77					H-h Lee H-y Peng	4	3
		R Gonzales A Sitak	6	6					R Gonzales A Sitak	6	6
	4	J Cerretani A Shamasdin	0	1												R Gonzales A Sitak	2	2
	WC	T Ito Y Uchiyama	6	6											2	Sa Ratiwatana So Ratiwatana	6	6
		M Bašić G Gigounon	1	1				WC	T Ito Y Uchiyama	5	62
	PR	D Kosakowski J Wang	2	65				2	Sa Ratiwatana So Ratiwatana	7	77
	2	Sa Ratiwatana So Ratiwatana	6	77

References

• Main Draw