Singles
2011 Busan Open Challenger Tennis
Champion	Dudi Sela
Runner-up	Tatsuma Ito
Score	6–2, 6–7(5), 6–3

Lim Yong-kyu was the defending champion, but lost to Greg Jones in the 2nd round.
Dudi Sela defeated Tatsuma Ito 6–2, 6–7(5), 6–3 in the final match.

Seeds

Draw

Finals

	Semifinals							Final
	1/WC	Lu Yen-hsun	5	4
	3	Tatsuma Ito	7	6
								3	Tatsuma Ito	2	7	3
								4	Dudi Sela	6	65	6
	4	Dudi Sela	1	7	6
	2	Go Soeda	6	64	4

Top half

	First round							Second round							Quarterfinals							Semifinals
	1/WC	Y-h Lu	6	6
		H Kondo	3	2				1/WC	Y-h Lu	6	6
		L Walter	6	6					L Walter	1	1
	WC	Nam Ji-sung	1	1											1/WC	Y-h Lu	3	6	6
		K Kim	2	4												G Jones	6	1	3
		Y-k Lim	6	6					Y-k Lim	4	7	3
		G Jones	7	6					G Jones	6	61	6
	8	A Begemann	64	2																		1/WC	Y-h Lu	5	4
	3	T Ito	6	6																		3	T Ito	7	6
		R Borvanov	3	2				3	T Ito	6	6
		H Heliövaara	3	1					K-t Im	1	3
		K-t Im	6	6											3	T Ito	6	6
		M Gong	4	7	1											A Weintraub	4	3
		A Weintraub	6	5	6				A Weintraub	4	7	6
	Q	J-s An	5	0r				5	M Ebden	6	5	3
	5	M Ebden	7	1

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	Y Sugita	6	6
		M Venus	4	1				6	Y Sugita	3	6	6
	WC	S-y Jeong	2	6	6			WC	S-y Jeong	6	4	2
		E Kirillov	6	4	3										6	Y Sugita	3	1
		D Yoo	1	66											4	D Sela	6	6
	Q	T Matsui	6	7				Q	T Matsui	7	4	1
	Q	M Ledovskikh	4	3				4	D Sela	64	6	6
	4	D Sela	6	6																		4	D Sela	1	7	6
	7	D Udomchoke	6	6																		2	G Soeda	6	64	4
		M McClune	2	4				7	D Udomchoke	64	2
		V Pospisil	6	6					V Pospisil	7	6
		M Mečíř Jr.	4	3												V Pospisil	2	4
	Q	T Suzuki	2	65											2	G Soeda	6	6
	WC	H-j Kim	6	7				WC	H-j Kim	2	2
		J Baker	3	3				2	G Soeda	6	6
	2	G Soeda	6	6

References

• Main Draw
• Qualifying Singles