Singles
2009 Keio Challenger
Champion	Takao Suzuki
Runner-up	Martin Fischer
Score	6–4, 7–6(5)

Lee Hyung-taik was the defending champion, but he retired from playing tournaments before this event.
Takao Suzuki won in the final 6–4, 7–6(5), against Martin Fischer.

Seeds

Draw

Finals

	Semifinals							Final
	1	Go Soeda	3	4
	8	Martin Fischer	6	6
								8	Martin Fischer	4	65
									Takao Suzuki	6	7
	5	Philipp Oswald	5	1
		Takao Suzuki	7	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	G Soeda	7	6
		A Kedryuk	63	2				1	G Soeda	6	6
	WC	J Mitsuhashi	7	4	6			WC	J Mitsuhashi	2	1
	Q	C-h Yi	5	6	2										1	G Soeda	6	6
		J Huta Galung	3	4												T-h Yang	4	2
		T-h Yang	6	6					T-h Yang	6	6
		J Statham	4	7	7				J Statham	3	3
	6	P Červenák	6	64	66																	1	G Soeda	3	4
	4	T Ito	6	3	6																	8	M Fischer	6	6
		S Stadler	4	6	3			4	T Ito	6	4	2
	WC	K Matsunaga	3	0					V Ignatik	4	6	6
		V Ignatik	6	6												V Ignatik	6	3	3
	Q	Y Ito	6	3	6										8	M Fischer	4	6	6
		G Jones	4	6	3			Q	Y Ito	6	2	0
	Q	T Chen	0	0				8	M Fischer	4	6	6
	8	M Fischer	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	P Oswald	6
	Q	A Kudryavtsev	3	r				5	P Oswald	6	6
		G Tošić	3	0					H Moriya	3	4
		H Moriya	6	6											5	P Oswald	6	6
		A Juška	1	2											3	D Kindlmann	4	4
		L Sorensen	6	6					L Sorensen	1	r
	WC	T Matsui	3	4				3	D Kindlmann	4
	3	D Kindlmann	6	6																		5	P Oswald	5	1
	7	N Lindahl	6	7																			T Suzuki	7	6
		S Kadir	2	5				7	N Lindahl	4	4
		A Sadecky	2	4					T Suzuki	6	6
		T Suzuki	6	6												T Suzuki	6	6
	WC	S Aida	2	2											2	K-t Im	3	1
		Y Sugita	6	6					Y Sugita	4	0
		N Mektić	6	2	67			2	K-t Im	6	6
	2	K-t Im	3	6	7

References

• Main Draw
• Qualifying Draw