2011 Western & Southern Open – Women's Singles

Kim Clijsters was the defending champion, but withdrew due to an abdominal injury.

Women's Singles
2011 Western & Southern Open
Champion	Maria Sharapova
Runner-up	Jelena Janković
Final score	4–6, 7–6^(7–3), 6–3

Maria Sharapova won the tournament, defeating Jelena Janković 4–6, 7–6^(7–3), 6–3 in the final.

Seeds

The top eight seeds received a bye into the second round.

1. Caroline Wozniacki (Second Round)
2. Vera Zvonareva (Semifinals)
3. Victoria Azarenka (withdrew due to a right hand injury)
4. Maria Sharapova (Champion)
5. Li Na (Third Round)
6. Petra Kvitová (Third Round)
7. Francesca Schiavone (Third Round)
8. Marion Bartoli (Third Round)
9. Andrea Petkovic (Semifinals)
10. Samantha Stosur (Quarterfinals)
11. Agnieszka Radwańska (withdrew due to a right shoulder injury)
12. Anastasia Pavlyuchenkova (First Round)
13. Jelena Janković (Final)
14. Svetlana Kuznetsova (Third Round)
15. Ana Ivanovic (Second Round)
16. Peng Shuai (Quarterfinals, withdrew due to a left hip injury)
17. Yanina Wickmayer (Second Round)

Qualifying

Main 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

	Quarterfinals							Semifinals							Final
		Nadia Petrova	5	1
	9	Andrea Petkovic	7	6
								9	Andrea Petkovic	6^4	1
								13	Jelena Janković	7^7	6
	16	Peng Shuai
	13	Jelena Janković	w/o
															13	Jelena Janković	6	6^3	3
															4/WC	Maria Sharapova	4	7^7	6
	10	Samantha Stosur	3	2
	4/WC	Maria Sharapova	6	6
								4/WC	Maria Sharapova	2	6	6
								2	Vera Zvonareva	6	3	3
		Daniela Hantuchová	3	6^6
	2	Vera Zvonareva	6	7^8

Section 1

	First Round							Second Round							Third Round							Quarterfinals
								1	C Wozniacki	4	5
	WC	C McHale	7	4	6			WC	C McHale	6	7
		T Pironkova	5	6	1										WC	C McHale	3	3
		R Vinci	3	6	4											N Petrova	6	6
		N Petrova	6	0	6				N Petrova	6	7^7
	Q	A Glatch	0	2				15	A Ivanovic	3	6^4
	15	A Ivanovic	6	6																			N Petrova	5	1
	9	A Petkovic	5	7^7	6																	9	A Petkovic	7	6
		J Gajdošová	7	6^5	2			9	A Petkovic	6	6
	LL	S Arvidsson	0	7^7	6			LL	S Arvidsson	2	4
	Q	M Niculescu	6	6^4	3										9	A Petkovic	6	6
		R Marino	5	2											6	P Kvitová	3	3
	Q	C Scheepers	7	6				Q	C Scheepers	6^3	3
								6	P Kvitová	7^7	6

Section 2

	First Round							Second Round							Third Round							Quarterfinals
								LL	P Parmentier	2	3
		S Lisicki	4	6^4					S Pe'er	6	6
		S Pe'er	6	7^7												S Pe'er	3	2
	WC	S Stephens	1	5											16	S Peng	6	6
		S Errani	6	7					S Errani	2	4
		G Dulko	3	6	4			16	S Peng	6	6
	16	S Peng	6	4	6																	16	S Peng
	13	J Janković	6	6																		13	J Janković	w/o
		I Benešová	0	3				13	J Janković	4	6	6
		J Görges	2	6	4			Q	J Zheng	6	3	1
	Q	J Zheng	6	1	6										13	J Janković	6	5	6
	Q	S Zhang	6^2	3											7	F Schiavone	3	7	4
		M Kirilenko	7^7	6					M Kirilenko	5	6	4
								7	F Schiavone	7	3	6

Section 3

	First Round							Second Round							Third Round							Quarterfinals
								5	N Li	6	6
		L Šafářová	6	6					L Šafářová	3	4
		K Zakopalová	2	2											5	N Li	4	6	4
		L Hradecká	3	6^5											10	S Stosur	6	3	6
		S Williams	6	7^7					S Williams
	Q	E Daniilidou	3	1				10	S Stosur	w/o
	10	S Stosur	6	6																		10	S Stosur	3	2
	14	S Kuznetsova	6	6																		4/WC	M Sharapova	6	6
	Q	J Craybas	3	4				14	S Kuznetsova	4	6	6
	Q	P Cetkovská	2	6	6			Q	P Cetkovská	6	3	4
		A Medina Garrigues	6	2	2										14	S Kuznetsova	2	3
	Q	A Rodionova	6	6											4/WC	M Sharapova	6	6
	WC	P Hercog	0	0				Q	A Rodionova	1	3
								4/WC	M Sharapova	6	6

Section 4

	First Round							Second Round							Third Round							Quarterfinals
								8	M Bartoli	6	6
		A Morita	2	6	2			PR	A Bondarenko	1	2
	PR	A Bondarenko	6	4	6										8	M Bartoli	3	7	3
		D Hantuchová	6	4												D Hantuchová	6	5	6
		L Domínguez Lino	3	1^r					D Hantuchová	6	6
		F Pennetta	2	6	6				F Pennetta	3	4
	12	A Pavlyuchenkova	6	3	3																		D Hantuchová	3	6^6
	17	Y Wickmayer	6	6																		2	V Zvonareva	6	7^8
	Q	B Jovanovski	3	4				17	Y Wickmayer	6	2	2
		E Vesnina	6	6^5	0			Q	P Martić	3	6	6
	Q	P Martić	3	7^7	6										Q	P Martić	2	2
	LL	MJ Martínez Sánchez	5	3											2	V Zvonareva	6	6
		E Makarova	7	6					E Makarova	3	0
								2	V Zvonareva	6	6

References

• Main Draw