2012 Keio Challenger – Singles

Takao Suzuki was the champion in 2009.
Matteo Viola won the title by defeating Mirza Bašić 7–6^(7–3), 6–3 in the final.

Singles
2012 Keio Challenger
Champion	Matteo Viola
Runner-up	Mirza Bašić
Final score	7–6^(7–3), 6–3

Main article: 2012 Keio Challenger

Seeds

1. Tatsuma Ito (Second Round)
2. Rajeev Ram (Quarterfinals)
3. Yuichi Sugita (Semifinals)
4. Matteo Viola (Champion)
5. Hiroki Moriya (Quarterfinals)
6. Chen Ti (First Round)
7. Jamie Baker (Second Round)
8. Brydan Klein (First Round)

Draw

Key

• Q = Qualifier
• WC = Wild Card
• LL = Lucky Loser
• Alt = Alternate
• SE = Special Exempt
• PR = Protected Ranking
• ITF = ITF entry
• JE = Junior Exempt
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	Semifinals							Final
		Taro Daniel	0	4
	4	Matteo Viola	6	6
								4	Matteo Viola	7^7	6
									Mirza Bašić	6^3	3
	3	Yuichi Sugita	4	0
		Mirza Bašić	6	6

Top Half

	First Round							Second Round							Quarterfinals							Semifinals
	1	T Ito	6	3	7^7
		J Millman	4	6	6^3			1	T Ito	3	1
		Taro Daniel	6	6					T Daniel	6	6
		Julien Obry	0	3												T Daniel	6	6
		Andrea Arnaboldi	6	4												A Arnaboldi	2	3
		Y Uchiyama	1	0^r					A Arnaboldi	3	6	7
		M Reid	6	2	2			7	J Baker	6	1	5
	7	J Baker	4	6	6																		T Daniel	0	4
	4	M Viola	4	6	6																	4	M Viola	6	6
		H Laaksonen	6	3	4			4	M Viola	6	4	7
	Q	Y Ito	3	6	3				B Mitchell	3	6	5
		B Mitchell	6	3	6										4	M Viola	6	6
	WC	Masato Shiga	5	2												Huang L-c	3	0
		A Kudryavtsev	7	6					A Kudryavtsev	4	6^3
		Huang L-c	6	7^7					Huang L-c	6	7^7
	8	B Klein	3	6^2

Bottom Half

	First Round							Second Round							Quarterfinals							Semifinals
	5	H Moriya	6	6
	WC	Yoshihito Nishioka	2	0				5	H Moriya	7^7	3	6
	WC	T Matsui	2	6^3				PR	P Amritraj	6^3	6	0
	PR	P Amritraj	6	7^7											5	H Moriya	3	2
		P Oswald	2	4											3	Y Sugita	6	6
		J McGee	6	6					J McGee	2	5
	Q	Yuuya Kibi	1	2				3	Y Sugita	6	7
	3	Y Sugita	6	6																		3	Y Sugita	4	0
	6	T Chen	4	6	4																		M Bašić	6	6
	Q	Shuichi Sekiguchi	6	4	6			Q	S Sekiguchi	6^2	2
		D King-Turner	2	6	6^5				M Bašić	7^7	6
		M Bašić	6	1	7^7											M Bašić	6	3	6
	Q	M Venus	6^5	3											2	R Ram	4	6	1
		C Rungkat	7^7	6					C Rungkat	2	4
	WC	K Uchida	6	3	6^4			2	R Ram	6	6
	2	R Ram	4	6	7^7

References

• Main Draw
• Qualifying Draw