Singles
2012 Bank of the West Classic
Champion	Serena Williams
Runner-up	CoCo Vandeweghe
Score	7–5, 6–3
Draw	28
Seeds	8

Serena Williams was the defending champion, and successfully defended her title, defeating lucky loser CoCo Vandeweghe in the final, 7–5, 6–3. It was the first all-American final on the WTA Tour since the 2009 WTA Tour Championships, and the first on American soil since Los Angeles in 2004.

Seeds

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

Draw

Finals

	Semifinals							Final
	1	Serena Williams	6	6
	9	Sorana Cîrstea	1	2
								1	Serena Williams	7	6
								LL	CoCo Vandeweghe	5	3
	LL	CoCo Vandeweghe	6	3	6
	5	Yanina Wickmayer	2	6	2

Top half

	First round							Second round							Quarterfinals							Semifinals
								1	S Williams	6	6
	WC	N Gibbs	6	6				WC	N Gibbs	2	1
	Q	N Lertcheewakarn	4	4											1	S Williams	6	6
	WC	M Larcher de Brito	5	6	6										6	C Scheepers	4	0
		J Gajdošová	7	2	3			WC	M Larcher de Brito	3	4
	Q	G Min	4	4				6	C Scheepers	6	6
	6	C Scheepers	6	6																		1	S Williams	6	6
																						9	S Cîrstea	1	2
								3	D Cibulková	6	6
	Q	E Sema	6	6				Q	E Sema	1	3
	LL	A Glatch	2	3											3	D Cibulková	77	2	0
		A Morita	2r												9	S Cîrstea	65	6	6
	LL	S Zheng	4					LL	S Zheng	3	3
		V King	5	4				9	S Cîrstea	6	6
	9	S Cîrstea	7	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	M Erakovic	6	6
	Q	J Juricová	2	2				8	M Erakovic	3	6	4
		E Daniilidou	6	3	4				U Radwańska	6	3	6
		U Radwańska	3	6	6											U Radwańska	4	4
		M Czink	4	1											LL	C Vandeweghe	6	6
	LL	C Vandeweghe	6	6				LL	C Vandeweghe	6	6
								4	J Janković	4	2
																						LL	C Vandeweghe	6	3	6
	5	Y Wickmayer	7	2	7																	5	Y Wickmayer	2	6	2
		K-c Chang	5	6	5			5	Y Wickmayer	5	6	6
		S Stephens	65	6	1				H Watson	7	1	4
		H Watson	77	4	6										5	Y Wickmayer	6	6
	WC	M Burdette	2	7	6										2	M Bartoli	3	2
		A Keothavong	6	5	4			WC	M Burdette	5	0
								2	M Bartoli	7	6

Qualifying

Draw

First qualifier

	First round							Qualifying competition
	1	Sesil Karatantcheva	3	5
		Abigail Spears	6	7
									Abigail Spears	77	2	4
								7	Grace Min	62	6	6
	WC	Alessondra Parra	2	0
	7	Grace Min	6	6

Second qualifier

	First round							Qualifying competition
	2	CoCo Vandeweghe	6	6
	WC	Simone Kalhorn	2	2
								2	CoCo Vandeweghe	6	2	5
								5	Noppawan Lertcheewakarn	2	6	7
	WC	Ellen Tsay	6	4	2
	5	Noppawan Lertcheewakarn	3	6	6

Third qualifier

	First round							Qualifying competition
	3	Erika Sema	6	6
	WC	Kristie Ahn	4	4
								3	Erika Sema	6	6
								8	Zheng Saisai	3	3
		Vladimíra Uhlířová	2	2
	8	Zheng Saisai	6	6

Fourth qualifier

	First round							Qualifying competition
	4	Alexa Glatch	6	1	77
		Raquel Kops-Jones	1	6	65
								4	Alexa Glatch	4	6	2
								WC	Jana Juricová	6	2	6
	WC	Jana Juricová	3	6	6
	6	Chan Yung-jan	6	1	2

External links

• WTA tournament draws