Women's doubles
2021 Mutua Madrid Open
Final
Champions	Barbora Krejčíková Kateřina Siniaková
Runners-up	Gabriela Dabrowski Demi Schuurs
Score	6–4, 6–3
Events
Singles men women Doubles men women
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Barbora Krejčíková and Kateřina Siniaková defeated Gabriela Dabrowski and Demi Schuurs in the final, 6–4, 6–3 to win the women's doubles tennis title at the 2021 Madrid Open. It marked the duo's seventh career WTA Tour doubles title together, as well as Krejčíková's eighth individual doubles title and Siniaková's 10th.^[1][2][3]

Hsieh Su-wei and Barbora Strýcová were the reigning champions from when the tournament was last held in 2019,^[4] but Strýcová did not return to compete due to her pregnancy.^[5] Hsieh partnered Elise Mertens; they lost in the second round to Jeļena Ostapenko and Anastasia Pavlyuchenkova.^[6] Despite the loss, Mertens usurped Hsieh for the WTA No. 1 doubles ranking.

	Semifinals							Final
		Jeļena Ostapenko Anastasia Pavlyuchenkova	7	4	[6]
	3	Gabriela Dabrowski Demi Schuurs	5	6	[10]
								3	Gabriela Dabrowski Demi Schuurs	4	3
								2	Barbora Krejčíková Kateřina Siniaková	6	6
		Belinda Bencic Jil Teichmann	2	4
	2	Barbora Krejčíková Kateřina Siniaková	6	6

	First round							Second round							Quarterfinals							Semifinals
								1	S-w Hsieh E Mertens	62	6	[9]
		J Ostapenko A Pavlyuchenkova	6	5	[10]				J Ostapenko A Pavlyuchenkova	77	4	[11]
	PR	M Ninomiya Y Shvedova	1	7	[7]											J Ostapenko A Pavlyuchenkova	77	6
	PR	E Vesnina V Zvonareva	6	6											PR	E Vesnina V Zvonareva	62	3
		L Hradecká L Siegemund	3	4				PR	E Vesnina V Zvonareva	4	6	[10]
		B Mattek-Sands I Świątek	2	6	[10]				B Mattek-Sands I Świątek	6	3	[5]
	8	H Carter L Stefani	6	3	[6]																		J Ostapenko A Pavlyuchenkova	7	4	[6]
	3	G Dabrowski D Schuurs	77	7																		3	G Dabrowski D Schuurs	5	6	[10]
	PR	O Kalashnikova A Kudryavtseva	62	5				3	G Dabrowski D Schuurs	4	6	[10]
		V Kudermetova A Potapova	w/o						V Kudermetova A Potapova	6	2	[7]
		V Azarenka O Jabeur													3	G Dabrowski D Schuurs	6	6
		E Perez S Zheng	6	2	[10]											E Perez S Zheng	2	4
		K Christian S Santamaria	2	6	[7]				E Perez S Zheng	6	6
	WC	P Badosa S Sorribes Tormo	77	62	[7]			5	A Guarachi D Krawczyk	4	4
	5	A Guarachi D Krawczyk	62	77	[10]

	First round							Second round							Quarterfinals							Semifinals
	6	H-c Chan L Chan	6	3	[3]
	Alt	P Martić S Rogers	2	6	[10]			Alt	P Martić S Rogers	6	6
		N Kichenok R Olaru	7	6					N Kichenok R Olaru	1	4
		E Alexandrova Z Yang	5	3											Alt	P Martić S Rogers	3	63
		D Jurak A Klepač	4	67												B Bencic J Teichmann	6	77
		B Bencic J Teichmann	6	79					B Bencic J Teichmann	6	7
		N Hibino R Voráčová	77	4	[10]				N Hibino R Voráčová	3	5
	4	S Aoyama E Shibahara	64	6	[7]																		B Bencic J Teichmann	2	4
	7	Y Xu S Zhang	7	7																		2	B Krejčíková K Siniaková	6	6
		C Gauff N Melichar	5	5				7	Y Xu S Zhang	6	6
		S Fichman G Olmos	6	6					S Fichman G Olmos	4	3
		L Kichenok M Niculescu	4	0											7	Y Xu S Zhang	1	0
	Alt	P Kania-Choduń K Piter	3	3											2	B Krejčíková K Siniaková	6	6
		M Keys J Pegula	6	6					M Keys J Pegula	6	2	[8]
								2	B Krejčíková K Siniaková	3	6	[10]

Country	Player	Country	Player	Rank1	Seed
TPE	Hsieh Su-wei	BEL	Elise Mertens	4	1
CZE	Barbora Krejčíková	CZE	Kateřina Siniaková	15	2
CAN	Gabriela Dabrowski	NED	Demi Schuurs	23	3
JPN	Shuko Aoyama	JPN	Ena Shibahara	26	4
CHI	Alexa Guarachi	USA	Desirae Krawczyk	34	5
TPE	Chan Hao-ching	TPE	Latisha Chan	42	6
CHN	Xu Yifan	CHN	Zhang Shuai	47	7
USA	Hayley Carter	BRA	Luisa Stefani	53	8

• Rankings are as of April 26, 2021.

The following pairs received wildcards into the doubles main draw:

• Paula Badosa / Sara Sorribes Tormo
• Aliona Bolsova / Danka Kovinić

The following pair received entry into the doubles main draw using a protected ranking:

• Oksana Kalashnikova / Alla Kudryavtseva
• Makoto Ninomiya / Yaroslava Shvedova
• Elena Vesnina / Vera Zvonareva

The following pair received entry into the doubles draw as an alternate:

• Paula Kania-Choduń / Katarzyna Piter
• Petra Martić / Shelby Rogers

Before the tournament

• Tímea Babos / Veronika Kudermetova → replaced by Veronika Kudermetova / Anastasia Potapova
• Ashleigh Barty / Jennifer Brady → replaced by Nao Hibino / Renata Voráčová
• Aliona Bolsova / Danka Kovinić → replaced by Paula Kania-Choduń / Katarzyna Piter
• Anna Kalinskaya / Viktória Kužmová → replaced by Ekaterina Alexandrova / Yang Zhaoxuan
• Asia Muhammad / Jessica Pegula → replaced by Kaitlyn Christian / Sabrina Santamaria
• Elena Rybakina / Maria Sakkari → replaced by Petra Martić / Shelby Rogers

During the tournament

• Victoria Azarenka / Ons Jabeur

• Main Draw