2021 Western & Southern Open – Women's doubles

Květa Peschke and Demi Schuurs were the defending champions,^[1] but chose to compete with different partners. Peschke partnered Ellen Perez, and Schuurs partnered Nicole Melichar. Both teams lost to Samantha Stosur and Zhang Shuai; Perez and Peschke did so in the second round, whilst Melichar and Schuurs lost in the quarterfinals.

Women's doubles
2021 Western & Southern Open
Champions	Samantha Stosur Zhang Shuai
Runners-up	Gabriela Dabrowski Luisa Stefani
Score	7–5, 6–3
Seeds	8

Main article: 2021 Western & Southern Open

Stosur and Zhang went on to win the title, defeating Gabriela Dabrowski and Luisa Stefani in the final, 7–5, 6–3.^[2]

Seeds

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

1. Hsieh Su-wei / Elise Mertens (second round)
2. Barbora Krejčíková / Kateřina Siniaková (semifinals)
3. Shuko Aoyama / Ena Shibahara (quarterfinals)
4. Nicole Melichar / Demi Schuurs (quarterfinals)
5. Alexa Guarachi / Desirae Krawczyk (first round)
6. Gabriela Dabrowski / Luisa Stefani (final)
7. Chan Hao-ching / Latisha Chan (first round)
8. Darija Jurak / Andreja Klepač (second round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	Semifinals							Final
		Anna Blinkova Aliaksandra Sasnovich	6	5	[5]
		Samantha Stosur Zhang Shuai	4	7	[10]
									Samantha Stosur Zhang Shuai	7	6
								6	Gabriela Dabrowski Luisa Stefani	5	3
	6	Gabriela Dabrowski Luisa Stefani	7	3	[10]
	2	Barbora Krejčíková Kateřina Siniaková	5	6	[7]

Top half

	First round							Second round							Quarterfinals							Semifinals
								1	S-w Hsieh E Mertens	5	7	[5]
		H Carter S Santamaria	5	4					A Blinkova A Sasnovich	7	5	[10]
		A Blinkova A Sasnovich	7	6												A Blinkova A Sasnovich	4	6	[10]
		N Kichenok R Olaru	3	2												P Badosa S Sorribes Tormo	6	4	[3]
		P Badosa S Sorribes Tormo	6	6					P Badosa S Sorribes Tormo	6	3	[10]
		C Gauff C McNally	6	6					C Gauff C McNally	4	6	[8]
	5	A Guarachi D Krawczyk	3	3																			A Blinkova A Sasnovich	6	5	[5]
																							S Stosur S Zhang	4	7	[10]
								4	N Melichar D Schuurs	6	6
		V Kudermetova E Rybakina	7	6					V Kudermetova E Rybakina	4	4
	PR	O Jabeur S Mirza	5	2											4	N Melichar D Schuurs	3	77	[4]
	WC	M Linette B Pera	6	4	[4]											S Stosur S Zhang	6	65	[10]
		S Stosur S Zhang	4	6	[10]				S Stosur S Zhang	6	3	[10]
		E Perez K Peschke	2	77	[10]				E Perez K Peschke	3	6	[6]
	7	H-c Chan L Chan	6	61	[6]

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	G Dabrowski L Stefani	6	6
	PR	A Danilina Y Shvedova	3	4				6	G Dabrowski L Stefani	6	4	[10]
		V Azarenka J Pegula	6	2	[10]				V Azarenka J Pegula	4	6	[7]
		L Kichenok M Ninomiya	2	6	[6]										6	G Dabrowski L Stefani	6	6
		J Ostapenko J Teichmann	6	6											3	S Aoyama E Shibahara	3	3
	PR	G Voskoboeva V Zvonareva	3	3					J Ostapenko J Teichmann	3	3
								3	S Aoyama E Shibahara	6	6
																						6	G Dabrowski L Stefani	7	3	[10]
	8	D Jurak A Klepač	4	6	[10]																	2	B Krejčíková K Siniaková	5	6	[7]
		M Bouzková L Hradecká	6	3	[7]			8	D Jurak A Klepač	6	1	[3]
		B Mattek-Sands I Świątek	2	7	[10]				B Mattek-Sands I Świątek	4	6	[10]
		P Martić S Rogers	6	5	[5]											B Mattek-Sands I Świątek	4	3
	WC	E Navarro P Stearns	2	5											2	B Krejčíková K Siniaková	6	6
		D Kasatkina A Kontaveit	6	7					D Kasatkina A Kontaveit	2	1
								2	B Krejčíková K Siniaková	6	6