Singles
2009 Bank of the West Classic
Final
Champion	Marion Bartoli
Runner-up	Venus Williams
Score	6–2, 5–7, 6–4
Details
Draw	32
Seeds	8
Events
Singles Doubles
← 2008 · Bank of the West Classic · 2010 →

Aleksandra Wozniak was the defending champion, but lost to Daniela Hantuchová in the first round.

Marion Bartoli reached her second straight final and won the title, defeating Venus Williams 6–2, 5–7, 6–4.

	Semifinals							Final
		Samantha Stosur	3	6	1
	8	Marion Bartoli	6	1	6
								8	Marion Bartoli	6	5	6
								2	Venus Williams	2	7	4
	3	Elena Dementieva	0	1
	2	Venus Williams	6	6

	First round							Second round							Quarterfinals							Semifinals
	1	S Williams	6	78
		N Li	3	66				1	S Williams	6	79
		A Kleybanova	0	5					M Czink	3	67
		M Czink	6	7											1	S Williams	2	6	2
		M Niculescu	6	6												S Stosur	6	3	6
		M Shaughnessy	1	0					M Niculescu	1	5
		S Stosur	6	6					S Stosur	6	7
	6	D Cibulková	4	3																			S Stosur	3	6	1
	4	J Janković	6	6																		8	M Bartoli	6	1	6
	Q	A Haynes	3	1				4	J Janković	2	6	6
	Q	L Osterloh	2	3					S Lisicki	6	2	4
		S Lisicki	6	6											4	J Janković	6	63	3
	WC	H Barte	2	1											8	M Bartoli	3	77	6
	Q	M Oudin	6	6				Q	M Oudin	5	4
		A Morita	66	3				8	M Bartoli	7	6
	8	M Bartoli	78	6

	First round							Second round							Quarterfinals							Semifinals
	7	A Radwańska	6	6
		S Cîrstea	0	1				7	A Radwańska	6	66	1
		D Hantuchová	6	4	7				D Hantuchová	4	78	6
		A Wozniak	4	6	5											D Hantuchová	2	4
		A Chakvetadze	4	7	65										3	E Dementieva	6	6
		M Kirilenko	6	5	77				M Kirilenko	1	2
		A Keothavong	1	4				3	E Dementieva	6	6
	3	E Dementieva	6	6																		3	E Dementieva	0	1
	5	N Petrova	6	3	6																	2	V Williams	6	6
		B Mattek-Sands	3	6	3			5	N Petrova	1	2
		M Sharapova	6	66	6				M Sharapova	6	6
		A Sugiyama	4	78	1											M Sharapova	2	2
	Q	A Kudryavtseva	6	77											2	V Williams	6	6
		J Coin	1	65				Q	A Kudryavtseva	1	5
	WC	S Dubois	2	3				2	V Williams	6	7
	2	V Williams	6	6

• WTA tournament draws