2011 St. Petersburg Open – Singles

Mikhail Kukushkin was the defending champion but lost to Michael Berrer in the first round.

Singles
2011 St. Petersburg Open
Champion	Marin Čilić
Runner-up	Janko Tipsarević
Final score	6–3, 3–6, 6–2

Main article: 2011 St. Petersburg Open

Marin Čilić won the tournament beating Janko Tipsarević in the final, 6–3, 3–6, 6–2.

Seeds

1. Gilles Simon (First Round)
2. Janko Tipsarević (Final)
3. Alexandr Dolgopolov (First Round)
4. Marin Čilić (Champion)
5. Mikhail Youzhny (Semifinals)
6. Marcel Granollers (First Round)
7. Alex Bogomolov Jr. (Semifinals)
8. Dmitry Tursunov (Second Round)

Qualifying

Main article: 2011 St. Petersburg Open – Singles Qualifying

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
	5	Mikhail Youzhny	3	4
	4	Marin Čilić	6	6
								4	Marin Čilić	6	3	6
								2	Janko Tipsarević	3	6	2
	7	Alex Bogomolov Jr.	2	1
	2	Janko Tipsarević	6	6

Top Half

	First Round							Second Round							Quarterfinals							Semifinals
	1	G Simon	6	4	4
		A Mannarino	2	6	6				A Mannarino	6	7^7
	WC	E Gulbis	3	4					L Rosol	2	6^5
		L Rosol	6	6												A Mannarino	2	3
		P Riba	2	1											5	M Youzhny	6	6
		J Benneteau	6	6					J Benneteau	4	6	2
		S Stakhovsky	3	6^7				5	M Youzhny	6	3	6
	5	M Youzhny	6	7^9																		5	M Youzhny	3	4
	4	M Čilić	6	7^7																		4	M Čilić	6	6
	Q	S Bubka	4	6^1				4	M Čilić	5	6	6
		S Devvarman	6	6					S Devvarman	7	1	3
		K Beck	2	3											4	M Čilić	4	7^10	6
	Q	V Pospisil	5	6^4												A Seppi	6	6^8	4
		A Seppi	7	7^7					A Seppi	3	6	6
		I Andreev	3	6	7^7				I Andreev	6	2	4
	6	M Granollers	6	4	6^4

Bottom Half

	First Round							Second Round							Quarterfinals							Semifinals
	7	A Bogomolov Jr.	6	6
		I Kunitsyn	3	1				7	A Bogomolov Jr.	6	3	7
		C Berlocq	7	3	1				P Kohlschreiber	4	6	5
		P Kohlschreiber	6^4	6	6										7	A Bogomolov Jr.	6	6
	SE	J Chardy	4	4											Q	D Lajović	2	1
	Q	D Lajović	6	6				Q	D Lajović	2	6	6
	WC	D Sela	6	6				WC	D Sela	6	2	1
	3	A Dolgopolov	2	2																		7	A Bogomolov Jr.	2	1
	8	D Tursunov	7	6																		2	J Tipsarević	6	6
	Q	T Gabashvili	5	3				8	D Tursunov	2	4
		P Starace	6	6					P Starace	6	6
	WC	I Nedelko	0	1												P Starace	7^8	2	1
		M Kukushkin	1	6	4										2	J Tipsarević	6^6	6	6
		M Berrer	6	4	6				M Berrer	3	0^r
		O Rochus	2	5				2	J Tipsarević	6	2
	2	J Tipsarević	6	7

References

• Main Draw