Singles
2011 Košice Open
Final
Champion	Simon Greul
Runner-up	Victor Crivoi
Score	6–2, 6–1
Events
Singles Doubles
← 2010 · Košice Open · 2012 →

Rubén Ramírez Hidalgo was the defending champion; however, he lost to Evgeny Donskoy in the second round.

Simon Greul won the final against Victor Crivoi 6–2, 6–1.

	Semifinals							Final
		Evgeny Donskoy	3	5
	5	Simon Greul	6	7
								5	Simon Greul	6	6
									Victor Crivoi	2	1
	3	Lukáš Rosol	4	3
		Victor Crivoi	6	6

	First round							Second round							Quarterfinals							Semifinals
	1	R Ramírez Hidalgo	6	6
	WC	Marko Daniš	1	2				1	R Ramírez Hidalgo	4	6	4
		J Silva	63	1					E Donskoy	6	4	6
		E Donskoy	7	6												E Donskoy	6	3	6
	Q	Andrea Arnaboldi	6	7											Q	Andrea Arnaboldi	2	6	2
	WC	M Mečíř Jr.	2	62				Q	Andrea Arnaboldi	7	6
		M Viola	1	6	6				M Viola	5	4
	6	B Dabul	6	4	3																		E Donskoy	3	5
	4	I Minář	7	69	0r																	5	S Greul	6	7
		F Bagnis	63	7	4				F Bagnis	2	2
	Q	W Odesnik	6	6				Q	W Odesnik	6	6
		A Gensse	1	0											Q	W Odesnik	7	5	5
		M Teixeira	2	6	0										5	S Greul	65	7	7
	SE	J Sousa	6	2	6			SE	J Sousa	5	2
		E Schwank	0	64				5	S Greul	7	6
	5	S Greul	6	7

	First round							Second round							Quarterfinals							Semifinals
	7	D Guez	6	6
		A Martin	4	3				7	D Guez	7	6
		D Muñoz de la Nava	1	4					A Molteni	65	4
		A Molteni	6	6											7	D Guez	4	3
		B Knittel	2	3											3	L Rosol	6	6
		D Lojda	6	6					D Lojda	6	3	68
	Q	L Kirche	4	6	0			3	L Rosol	3	6	7
	3	L Rosol	6	2	6																	3	L Rosol	4	3
	8	Y Schukin	61	6	3																		V Crivoi	6	6
	SE	Jan-Lennard Struff	7	3	6			SE	Jan-Lennard Struff	3	3
	WC	D Hrbatý	6	6				WC	D Hrbatý	6	6
	Q	J Martí	1	1											WC	D Hrbatý	64	5
		G Olaso	6	6												V Crivoi	7	7
	WC	Martin Přikryl	2	2					G Olaso	3	64
		V Crivoi	6	6					V Crivoi	6	7
	2	R Machado	2	2

• Main Draw
• Qualifying Singles