Doubles
2009 Western & Southern Financial Group Women's Open
Champions	Cara Black Liezel Huber
Runners-up	Nuria Llagostera Vives María José Martínez Sánchez
Score	6–3, 0–6, 10–2
Seeds	8

Maria Kirilenko and Nadia Petrova were the defending champions. Both were present that year, but chose to compete with different players.
Kirilenko partnered with Elena Vesnina, but lost in the second round to Nuria Llagostera Vives and María José Martínez Sánchez.
Petrova partnered with Bethanie Mattek-Sands, but lost in the quarterfinals to Cara Black and Liezel Huber.
Cara Black and Liezel Huber won in the final 6–3, 0–6, 10–2 against Nuria Llagostera Vives and María José Martínez Sánchez.

Seeds

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

Draw

Finals

	Semifinals							Final
	1	Cara Black Liezel Huber	6	6
		Akgul Amanmuradova Monica Niculescu	4	1
								1	Cara Black Liezel Huber	6	0	[10]
								7	Nuria Llagostera Vives María José Martínez Sánchez	3	6	[2]
	7	Nuria Llagostera Vives María José Martínez Sánchez	6	6
	5	Virginia Ruano Pascual Zheng Jie	1	4

Top half

	First round							Second round							Quarterfinals							Semifinals
								1	C Black L Huber	6	6
		S Mirza F Schiavone	1	6	[10]				S Mirza F Schiavone	4	3
		M Koryttseva T Poutchek	6	4	[6]										1	C Black L Huber	6	1	[13]
		İ Şenoğlu Y Shvedova	6	6											8	B Mattek-Sands N Petrova	4	6	[11]
		A Kudryavtseva O Savchuk	3	2					İ Şenoğlu Y Shvedova	3	3
		I Benešová M Kondratieva	1	7	[6]			8	B Mattek-Sands N Petrova	6	6
	8	B Mattek-Sands N Petrova	6	66	[10]																	1	C Black L Huber	6	6
																							A Amanmuradova M Niculescu	4	1
								3	S-w Hsieh S Peng	6	4	[6]
		V Dushevina A Rodionova	7	6					V Dushevina A Rodionova	1	6	[10]
		L Dekmeijere J Ditty	5	0												V Dushevina A Rodionova	6	3	[8]
		L Granville C Gullickson	2	3												A Amanmuradova M Niculescu	4	6	[10]
		A Amanmuradova M Niculescu	6	6					A Amanmuradova M Niculescu	6	4	[10]
		A Bondarenko K Bondarenko	6	6					A Bondarenko K Bondarenko	4	6	[6]
	6	A-L Grönefeld P Schnyder	4	2

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	N Llagostera Vives MJ Martínez Sánch.	7	4	[10]
		K Jans A Rosolska	5	6	[8]			7	N Llagostera Vives MJ Martínez Sánch.	6	6
		M Kirilenko E Vesnina	6	6					M Kirilenko E Vesnina	4	2
		C-j Chuang Z Yan	4	0											7	N Llagostera Vives MJ Martínez Sánch.	0	7	[10]
		A Kleybanova E Makarova	65	6	[10]											A Kleybanova E Makarova	6	5	[8]
		L Šafářová G Voskoboeva	7	4	[4]				A Kleybanova E Makarova	4	6	[10]
								4	F Pennetta L Raymond	6	3	[2]
																						7	N Llagostera Vives MJ Martínez Sánchez	6	6
	5	V Ruano Pascual J Zheng	6	6																		5	V Ruano Pascual J Zheng	1	4
		J Craybas A Spears	4	3				5	V Ruano Pascual J Zheng	6	6
		G Dulko S Pe'er	6	6					G Dulko S Pe'er	3	3
	Alt	S Borwell N Grandin	3	2											5	V Ruano Pascual J Zheng	w/o
	WC	K Clijsters Y Wickmayer	3	6	[8]										2	D Hantuchová A Sugiyama
	WC	M Oudin S Perry	6	3	[10]			WC	M Oudin S Perry	3	2
								2	D Hantuchová A Sugiyama	6	6