2021 Miami Open – Women's doubles

Shuko Aoyama and Ena Shibahara defeated Hayley Carter and Luisa Stefani in the final, 6–2, 7–5, to win the women's doubles tennis title at the 2021 Miami Open. Aoyama and Shibahara's first WTA 1000 victory earned them their third title of the year and made them the first Japanese champions in Miami since Ai Sugiyama in 2008.^[1]

Women's doubles
2021 Miami Open
Champions	Shuko Aoyama Ena Shibahara
Runners-up	Hayley Carter Luisa Stefani
Score	6–2, 7–5

Main article: 2021 Miami Open

Elise Mertens and Aryna Sabalenka were the defending champions from when the tournament was last held in 2019,^[2] but the pair lost in the first round to Simona Halep and Angelique Kerber.

Sabalenka, Tímea Babos and Hsieh Su-wei were in contention for the WTA doubles No. 1 ranking at the beginning at the tournament. Hsieh usurped Sabalenka for the top ranking after Sabalenka and Babos lost in the first and second round, respectively.^[3]

Seeds

1. Elise Mertens / Aryna Sabalenka (first round)
2. Barbora Krejčíková / Kateřina Siniaková (second round)
3. Nicole Melichar / Demi Schuurs (first round)
4. Tímea Babos / Veronika Kudermetova (second round)
5. Shuko Aoyama / Ena Shibahara (champions)
6. Xu Yifan / Zhang Shuai (second round)
7. Alexa Guarachi / Desirae Krawczyk (first round)
8. Hayley Carter / Luisa Stefani (final)

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
		Bethanie Mattek-Sands Iga Świątek	6	64	[2]
	5	Shuko Aoyama Ena Shibahara	3	77	[10]
								5	Shuko Aoyama Ena Shibahara	6	7
								8	Hayley Carter Luisa Stefani	2	5
	8	Hayley Carter Luisa Stefani	2	6	[10]
		Gabriela Dabrowski Giuliana Olmos	6	3	[8]

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	E Mertens A Sabalenka	5	5
		S Halep A Kerber	7	7					S Halep A Kerber
	PR	K Flipkens C Vandeweghe	6	2	[6]				L Kichenok J Ostapenko	w/o
		L Kichenok J Ostapenko	3	6	[10]											L Kichenok J Ostapenko	1	4
		A Blinkova M Niculescu	0	1												B Mattek-Sands I Świątek	6	6
		B Mattek-Sands I Świątek	6	6					B Mattek-Sands I Świątek	6	6
		S Kenin S Stephens	6	3	[8]			6	Y Xu S Zhang	3	1
	6	Y Xu S Zhang	4	6	[10]																		B Mattek-Sands I Świątek	6	64	[2]
	4	T Babos V Kudermetova	3	6	[10]																	5	S Aoyama E Shibahara	3	77	[10]
		E Perez S Zheng	6	4	[7]			4	T Babos V Kudermetova	1	5
	Alt	C Garcia N Podoroska	77	6				Alt	C Garcia N Podoroska	6	7
		L Hradecká Kr Plíšková	63	2											Alt	C Garcia N Podoroska	3	2
	PR	K Christian A Kudryavtseva	2	3											5	S Aoyama E Shibahara	6	6
		D Jurak N Stojanović	6	6					D Jurak N Stojanović
		A Klepač T Zidanšek	77	1	[6]			5	S Aoyama E Shibahara	w/o
	5	S Aoyama E Shibahara	62	6	[10]

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	H Carter L Stefani	6	6
		E Rybakina M Sakkari	1	4				8	H Carter L Stefani	6	6
	WC	A Tomljanović H Watson	4	1				Alt	E Alexandrova Z Yang	0	3
	Alt	E Alexandrova Z Yang	6	6											8	H Carter L Stefani	6	6
	WC	H Baptiste R Montgomery	2	2											Alt	A Muhammad J Pegula	4	1
	Alt	P Martić S Rogers	6	6				Alt	P Martić S Rogers	6	3	[3]
	Alt	A Muhammad J Pegula	6	6				Alt	A Muhammad J Pegula	4	6	[10]
	3	N Melichar D Schuurs	2	2																		8	H Carter L Stefani	2	6	[10]
	7	A Guarachi D Krawczyk	3	6	[7]																		G Dabrowski G Olmos	6	3	[8]
		G Dabrowski G Olmos	6	4	[10]				G Dabrowski G Olmos	6	6
	PR	V King Y Shvedova	5	2					A-L Friedsam S Sanders	2	4
		A-L Friedsam S Sanders	7	6												G Dabrowski G Olmos	6	77
		C Gauff C McNally	6	6												C Gauff C McNally	4	64
		N Kichenok R Olaru	3	1					C Gauff C McNally	65	6	[10]
	WC	K Bertens A Rus	1	4				2	B Krejčíková K Siniaková	77	4	[8]
	2	B Krejčíková K Siniaková	6	6