Singles
2011 San Marino CEPU Open
Final
Champion	Potito Starace
Runner-up	Martin Kližan
Score	6–1, 3–0, retired
Events
Singles Doubles
← 2010 · San Marino CEPU Open · 2012 →

Robin Haase was the defending champion, but decided not to participate.

Potito Starace won the title. He played against Martin Kližan, but his opponent retired due to left foot injury, when the result was 6–1, 3–0.

	Semifinals							Final
	1	Potito Starace	6	6
	8	Benoît Paire	2	4
								1	Potito Starace	6	3
									Martin Kližan	1	0r
		Martin Kližan	3	6	7
	6	Marc Gicquel	6	4	5

	First round							Second round							Quarterfinals							Semifinals
	1	P Starace	6	6
		D Gremelmayr	4	1				1	P Starace	7	6
	WC	A di Mauro	4	6	62				J Huta Galung	5	3
		J Huta Galung	6	4	77										1	P Starace	6	6
		J Hájek	77	6												J Hájek	4	3
		D Guez	64	3					J Hájek	6	7
		S Darcis	77	6					S Darcis	1	5
	7	M Zverev	63	1																		1	P Starace	6	6
	4	P Riba	3	6	6																	8	B Paire	2	4
	WC	M Trevisan	6	3	2			4	P Riba	1	2
	Q	M Authom	5	6	3			SE	L Mayer	6	6
	SE	L Mayer	7	1	6										SE	L Mayer	4	3
		U Ignatik	63	3											8	B Paire	6	6
		N Ćirić	77	6					N Ćirić	77	4	4
		S Bolelli	77	5	2			8	B Paire	60	6	6
	8	B Paire	65	7	6

	First round							Second round							Quarterfinals							Semifinals
	5	R Machado	6	6
		A Ungur	1	2				5	R Machado	6	4	61
	Q	J Sousa	2	4					M Kližan	3	6	77
		M Kližan	6	6												M Kližan	6	0
		B Phau	6	7												B Phau	3	0r
		P Lorenzi	3	5					B Phau	6	6
	Q	D Giorgini	1	2				3	F Volandri	2	2
	3	F Volandri	6	6																			M Kližan	3	6	7
	6	M Gicquel	6	1	7																	6	M Gicquel	6	4	5
	WC	S Galvani	1	6	5			6	M Gicquel	6	7
	Q	B Balleret	4	7	6			Q	B Balleret	2	5
	WC	T Muster	6	5	2										6	M Gicquel	3	6	6
	SE	Grégoire Burquier	2	6	3										2	L Rosol	6	3	4
		D Brown	6	3	6				D Brown	1	6	3
		I Minář	5	3				2	L Rosol	6	3	6
	2	L Rosol	7	6

• Main Draw
• Qualifying Draw