Singles
2011 Bank of the West Classic
Final
Champion	Serena Williams
Runner-up	Marion Bartoli
Score	7–5, 6–1
Details
Draw	28
Seeds	8
Events
Singles Doubles
←  2010 · Bank of the West Classic ·  2012 →

Victoria Azarenka was the defending champion, but lost to qualifier Marina Erakovic in the second round.

Serena Williams, ranked world no. 169 at the time, won the title by defeating Marion Bartoli 7–5, 6–1 in the final. This win was Williams' first WTA title since her win in Wimbledon on July 3, 2010, it was on her third tournament of the year following injuries and health problems sustained with the 2010 season.

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

	Semifinals							Final
	8/WC	Dominika Cibulková
	3	Marion Bartoli	w/o
								3	Marion Bartoli	5	1
									Serena Williams	7	6
		Sabine Lisicki	1	2
		Serena Williams	6	6

	First round							Second round							Quarterfinals							Semifinals
								1	V Azarenka	6	5	2
		S Arvidsson	2	1				Q	M Erakovic	4	7	6
	Q	M Erakovic	6	6											Q	M Erakovic	1	1
		M Lučić	1	0											8/WC	D Cibulková	6	6
		C McHale	6	6					C McHale	4	6	3
		K Date-Krumm	2	67				8/WC	D Cibulková	6	2	6
	8/WC	D Cibulková	6	79																		8/WC	D Cibulková
																						3	M Bartoli	w/o
								3	M Bartoli	6	6
		R Marino	6	6					R Marino	4	3
		C Vandeweghe	4	4											3	M Bartoli	6
	Q	O Savchuk	4	2												A Morita	1	r
	Q	U Radwańska	6	6				Q	U Radwańska	6	5	1
		A Morita	6	7					A Morita	4	7	6
	7	A Ivanovic	3	5

	First round							Second round							Quarterfinals							Semifinals
	5	A Radwańska	6	6
		B Záhlavová-Strýcová	1	2				5	A Radwańska	6	3	6
	WC	H Barte	5	4					K-c Chang	4	6	0
		K-c Chang	7	6											5	A Radwańska	64	6	2
		S Halep	1	2												S Lisicki	77	2	6
		S Lisicki	6	6					S Lisicki	6	7
								4	S Stosur	3	5
																							S Lisicki	1	2
	6	J Görges	2	3																			S Williams	6	6
		M Kirilenko	6	6					M Kirilenko	2	6	2
		S Williams	6	6					S Williams	6	3	6
		A Rodionova	0	0												S Williams	6	6
	Q	R Fujiwara	0	2											2	M Sharapova	1	3
		D Hantuchová	6	6					D Hantuchová	2	6	4
								2	M Sharapova	6	2	6

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