2021 Miami Open – Women's singles

Defending champion Ashleigh Barty^[1] won the women's singles tennis title at the 2021 Miami Open after Bianca Andreescu retired from the final with the scoreline at 6–3, 4–0. Barty saved a match point en route to the title, in the second round against Kristína Kučová.^[2]

Women's singles
2021 Miami Open
Champion	Ashleigh Barty
Runner-up	Bianca Andreescu
Score	6–3, 4–0, ret.
Draw	96
Seeds	32

Main article: 2021 Miami Open

Barty and Naomi Osaka were in contention for the WTA No. 1 singles ranking.^[3] Barty retained the top ranking by winning the title after Osaka lost to Maria Sakkari in the quarterfinals, ending a 23-match winning streak dating to the 2020 Cincinnati Masters.^[4][2]

Seeds

All seeds received a bye into the second round.

01.   Ashleigh Barty (champion)

02.   Naomi Osaka (quarterfinals)

03.   Simona Halep (third round, withdrew)

04.   Sofia Kenin (third round)

05.   Elina Svitolina (semifinals)

06.   Karolína Plíšková (third round)

07.   Aryna Sabalenka (quarterfinals)

08.   Bianca Andreescu (final, retired)

09.   Petra Kvitová (fourth round)

10.   Kiki Bertens (second round)

11.   Belinda Bencic (third round)

12.   Garbiñe Muguruza (fourth round)

13.   Jennifer Brady (second round)

14.   Victoria Azarenka (fourth round)

15.   Iga Świątek (third round)

16.   Elise Mertens (fourth round)

17.   Johanna Konta (third round)

18.   Madison Keys (second round)

19.   Markéta Vondroušová (fourth round)

20.   Petra Martić (second round)

21.   Elena Rybakina (third round)

22.   Anett Kontaveit (third round)

23.   Maria Sakkari (semifinals)

24.   Angelique Kerber (third round)

25.   Alison Riske (withdrew)

26.   Yulia Putintseva (second round)

27.   Ons Jabeur (fourth round)

28.   Amanda Anisimova (third round)

29.   Jessica Pegula (fourth round)

30.   Ekaterina Alexandrova (third round)

31.   Coco Gauff (second round)

32.   Veronika Kudermetova (third round)

Click on the seed number of a player to go to their draw section.

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

	Quarterfinals							Semifinals							Final
	1	Ashleigh Barty	6	65	6
	7	Aryna Sabalenka	4	77	3
								1	Ashleigh Barty	6	6
								5	Elina Svitolina	3	3
		Anastasija Sevastova	3	2
	5	Elina Svitolina	6	6
															1	Ashleigh Barty	6	4
															8	Bianca Andreescu	3	0r
	8	Bianca Andreescu	6	3	6
		Sara Sorribes Tormo	4	6	3
								8	Bianca Andreescu	79	3	77
								23	Maria Sakkari	67	6	64
	23	Maria Sakkari	6	6
	2	Naomi Osaka	0	4

Top half

Section 1

	First round							Second round							Third round							Fourth round
								1	A Barty	6	4	7
	Q	H Baptiste	4	6	5			Q	K Kučová	3	6	5
	Q	K Kučová	6	2	7										1	A Barty	6	6
		J Ostapenko	6	64	6											J Ostapenko	3	2
	WC	Xiyu Wang	4	77	1				J Ostapenko	6	5	6
								LL	K Flipkens	2	7	3
																						1	A Barty	6	1	6
																						14	V Azarenka	1	6	2
								24	A Kerber	6	6
		N Hibino	4	6	1			Q	R Zarazúa	0	0
	Q	R Zarazúa	6	4	6										24	A Kerber	5	2
		C McHale	3	5											14	V Azarenka	7	6
		L Siegemund	6	7					L Siegemund
								14	V Azarenka	w/o

Section 2

	First round							Second round							Third round							Fourth round
								11	B Bencic	6	6
		Z Diyas	6	712					Z Diyas	2	1
		V Williams	2	610											11	B Bencic	6	4	4
	Q	A Bolsova	1	6	3										19	M Vondroušová	4	6	6
		Q Wang	6	3	6				Q Wang	4	4
								19	M Vondroušová	6	6
																						19	M Vondroušová	1	2
																						7	A Sabalenka	6	6
								32	V Kudermetova	6	6
		K Mladenovic	3	3					D Collins	3	2
		D Collins	6	6											32	V Kudermetova	64	4
	Q	T Pironkova	77	3	6										7	A Sabalenka	77	6
		M Kostyuk	64	6	3			Q	T Pironkova	6	3	69
								7	A Sabalenka	0	6	711

Section 3

	First round							Second round							Third round							Fourth round
								3	S Halep	3	6	6
	Q	M Buzărnescu	1	2					C Garcia	6	4	0
		C Garcia	6	6											3	S Halep
	Q	O Danilović	1	6	63											A Sevastova	w/o
		A Sevastova	6	3	77				A Sevastova	1	6	6
								31	C Gauff	6	2	3
																							A Sevastova	6	7
																						WC	A Konjuh	1	5
								18	M Keys	4	2
		K Siniaková	63	5				WC	A Konjuh	6	6
	WC	A Konjuh	77	7											WC	A Konjuh	6	2	6
		B Krejčíková	6	3	6										15	I Świątek	4	6	2
		A Blinkova	1	6	3				B Krejčíková	4	2
								15	I Świątek	6	6

Section 4

	First round							Second round							Third round							Fourth round
								9	P Kvitová	6	6
		A Cornet	2	6	6				A Cornet	0	4
		S Kuznetsova	6	2	1										9	P Kvitová	6	6
		M Linette	6	3	6										17	J Konta	1	2
	WC	R Montgomery	1	6	0				M Linette	4	5
								17	J Konta	6	7
																						9	P Kvitová	6	5	5
																						5	E Svitolina	2	7	7
								30	E Alexandrova	6	6
		N Podoroska	6	6					N Podoroska	0	4
	WC	M Sherif	3	1											30	E Alexandrova	61	4
		S Rogers	6	6											5	E Svitolina	77	6
		M Brengle	3	3					S Rogers	6	5	3
								5	E Svitolina	3	7	6

Bottom half

Section 5

	First round							Second round							Third round							Fourth round
								8	B Andreescu	77	6
	PR	Y Shvedova	4	2				Q	T Martincová	65	2
	Q	T Martincová	6	6											8	B Andreescu	77	62	6
		S Stephens	66	6	6										28	A Anisimova	64	77	4
	Q	O Dodin	78	4	2				S Stephens	3	3
								28	A Anisimova	6	6
																						8	B Andreescu	3	6	6
																						12	G Muguruza	6	3	2
								20	P Martić	7	2	64
	WC	A Kalinskaya	6	77				WC	A Kalinskaya	5	6	77
		I-C Begu	4	65											WC	A Kalinskaya	6	3	4
		R Peterson	2	2											12	G Muguruza	4	6	6
	WC	Xin Wang	6	6				WC	Xin Wang	4	1
								12	G Muguruza	6	6

Section 6

	First round							Second round							Third round							Fourth round
								13	J Brady	6	4	1
		B Pera	2	6	5				S Sorribes Tormo	3	6	6
		S Sorribes Tormo	6	2	7											S Sorribes Tormo	6	3	6
		K Kanepi	6	7											21	E Rybakina	1	6	2
		L Davis	3	5					K Kanepi	4	0
								21	E Rybakina	6	6
																							S Sorribes Tormo	6	0	6
																						27	O Jabeur	4	6	1
								27	O Jabeur	78	5	7
		J Teichmann	6r						P Badosa	66	7	5
		P Badosa	5												27	O Jabeur	6	4	6
	PR	A Petkovic	7	6											4	S Kenin	4	6	4
		S Zhang	5	1				PR	A Petkovic	78	1	3
								4	S Kenin	66	6	6

Section 7

	First round							Second round							Third round							Fourth round
								6	Ka Plíšková	6	6
		S Zheng	2	6	6				S Zheng	2	1
		F Ferro	6	4	3										6	Ka Plíšková	1	6	4
	Q	E Cocciaretto	1	7	1										29	J Pegula	6	4	6
	WC	S Sanders	6	5	6			WC	S Sanders	3	4
								29	J Pegula	6	6
																						29	J Pegula	4	6	66
																						23	M Sakkari	6	2	78
								23	M Sakkari	6	6
		M Bouzková	3	2					A Rus	2	3
		A Rus	6	6											23	M Sakkari	6	6
		C Giorgi	2	4											Q	L Samsonova	0	1
	Q	L Samsonova	6	6				Q	L Samsonova	6	6
								10	K Bertens	2	1

Section 8

	First round							Second round							Third round							Fourth round
								16	E Mertens	6	6
		Kr Plíšková	6	3	3			PR	K Boulter	4	1
	PR	K Boulter	4	6	6										16	E Mertens	6	0	6
		S Cîrstea	6	6											22	A Kontaveit	2	6	2
	WC	K Scott	2	2					S Cîrstea	3	6	3
								22	A Kontaveit	6	4	6
																						16	E Mertens	3	3
																						2	N Osaka	6	6
								26	Y Putintseva	7	5	2
		H Watson	4	1				Q	N Stojanović	5	7	6
	Q	N Stojanović	6	6											Q	N Stojanović
	PR	A Potapova	5	0											2	N Osaka	w/o
		A Tomljanović	7	6					A Tomljanović	63	4
								2	N Osaka	77	6

Qualifying

Seeds

1. Misaki Doi (first round)
2. Leylah Fernandez (first round)
3. Martina Trevisan (first round)
4. Kirsten Flipkens (qualifying competition, lucky loser)
5. Tamara Zidanšek (qualifying competition)
6. Varvara Gracheva (qualifying competition)
7. Nina Stojanović (qualified)
8. Jasmine Paolini (first round)
9. Zhu Lin (first round)
10. Wang Yafan (first round)
11. Viktória Kužmová (qualifying competition, retired)
12. Tímea Babos (qualifying competition)
13. Tereza Martincová (qualified)
14. Aliona Bolsova (qualified)
15. Sara Errani (first round)
16. Greet Minnen (qualifying competition)
17. Anna Karolína Schmiedlová (qualifying competition)
18. Elisabetta Cocciaretto (qualified)
19. Caty McNally (first round)
20. Océane Dodin (qualified)
21. Kristie Ahn (qualifying competition)
22. Anna-Lena Friedsam (qualifying competition)
23. Liudmila Samsonova (qualified)
24. Astra Sharma (first round)

Qualifiers

1. Hailey Baptiste
2. Mihaela Buzărnescu
3. Tsvetana Pironkova
4. Aliona Bolsova
5. Océane Dodin
6. Liudmila Samsonova
7. Nina Stojanović
8. Olga Danilović
9. Tereza Martincová
10. Kristína Kučová
11. Renata Zarazúa
12. Elisabetta Cocciaretto

Lucky loser

1. Kirsten Flipkens

Qualifying draw

First qualifier

	First round							Qualifying competition
	1	Misaki Doi	6	0	66
	WC	Hailey Baptiste	1	6	78
								WC	Hailey Baptiste	6	6
								16	Greet Minnen	3	4
		Usue Maitane Arconada	4	4
	16	Greet Minnen	6	6

Second qualifier

	First round							Qualifying competition
	2	Leylah Fernandez	4	2
		Mihaela Buzărnescu	6	6
									Mihaela Buzărnescu	2	77	7
								22	Anna-Lena Friedsam	6	64	5
		Leonie Küng	7	1	4
	22	Anna-Lena Friedsam	5	6	6

Third qualifier

	First round							Qualifying competition
	3	Martina Trevisan	6	1	64
		Olga Govortsova	4	6	77
									Olga Govortsova	0	3
									Tsvetana Pironkova	6	6
		Tsvetana Pironkova	77	77
	19	Caty McNally	60	64

Fourth qualifier

	First round							Qualifying competition
	4	Kirsten Flipkens	4	6	6
		Whitney Osuigwe	6	3	1
								4	Kirsten Flipkens	4	3
								14	Aliona Bolsova	6	6
	PR	CoCo Vandeweghe	2	3
	14	Aliona Bolsova	6	6

Fifth qualifier

	First round							Qualifying competition
	5	Tamara Zidanšek	6	6
		Arina Rodionova	3	0
								5	Tamara Zidanšek	1	5
								20	Océane Dodin	6	7
	WC	Mirjam Björklund	2	1
	20	Océane Dodin	6	6

Sixth qualifier

	First round							Qualifying competition
	6	Varvara Gracheva	7	6
	Alt	Gabriela Dabrowski	5	2
								6	Varvara Gracheva	2	4
								23	Liudmila Samsonova	6	6
		Monica Niculescu	6	0r
	23	Liudmila Samsonova	2	4

Seventh qualifier

	First round							Qualifying competition
	7	Nina Stojanović	4	6	6
	WC	Linda Fruhvirtová	6	4	2
								7	Nina Stojanović	6	6
								WC	Bethanie Mattek-Sands	4	3
	WC	Bethanie Mattek-Sands	6	3	6
	15	Sara Errani	4	6	4

Eighth qualifier

	First round							Qualifying competition
	8	Jasmine Paolini	77	1	4
		Olga Danilović	62	6	6
									Olga Danilović	77	6
								21	Kristie Ahn	64	3
		Francesca Di Lorenzo	1	4
	21	Kristie Ahn	6	6

Ninth qualifier

	First round							Qualifying competition
	9	Zhu Lin	610	6	2
		Harriet Dart	712	4	6
									Harriet Dart	3	5
								13	Tereza Martincová	6	7
		Viktoriya Tomova	4	1
	13	Tereza Martincová	6	6

Tenth qualifier

	First round							Qualifying competition
	10	Wang Yafan	5	2
		Kristína Kučová	7	6
									Kristína Kučová	6	6
								17	Anna Karolína Schmiedlová	2	3
		Katarzyna Kawa	4	3
	17	Anna Karolína Schmiedlová	6	6

Eleventh qualifier

	First round							Qualifying competition
	11	Viktória Kužmová	4	6	6
	WC	Alex Eala	6	4	2
								11	Viktória Kužmová	3	0r
									Renata Zarazúa	6	1
		Renata Zarazúa	5	6	7
	24	Astra Sharma	7	3	5

Twelfth qualifier

	First round							Qualifying competition
	12	Tímea Babos	4	6	6
		Caroline Dolehide	6	2	2
								12	Tímea Babos	6	3	3
								18	Elisabetta Cocciaretto	2	6	6
	WC	Claire Liu	4	4
	18	Elisabetta Cocciaretto	6	6