Emma Raducanu defeated Leylah Fernandez in the final, 6–4, 6–3 to win the women's singles tennis title at the 2021 US Open. It was her first major title, and she became the first qualifier to win a major. Additionally, she became the first British woman to win a singles major since Virginia Wade at the 1977 Wimbledon Championships, and the second player to win the US Open on her debut after Bianca Andreescu in 2019.^[1][2][3] Aged 18, Raducanu became the youngest major champion since Maria Sharapova at the 2004 Wimbledon Championships and with a ranking of world No. 150, the lowest-ranked player to win a major since Kim Clijsters at the 2009 US Open, and the youngest player to win the title since Serena Williams at the 1999 US Open. She also won the title without losing a set during the tournament, including during her three qualification matches, and was not taken to a tiebreaker in any set. This was her first WTA Tour singles title, making her the fourth woman in the Open Era to win a major as her first singles title.^{[lower-roman 1]}

Quick Facts Women's singles, Final ...

Women's singles
2021 US Open
Final
Champion	Emma Raducanu
Runner-up	Leylah Fernandez
Score	6–4, 6–3
Details
Draw	128 (16 Q / 8 WC )
Seeds	32
Events
Singles men women boys girls Doubles men women mixed boys girls WC Singles men women quad WC Doubles men women quad Legends men women mixed
← 2020 · US Open · 2022 →

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Naomi Osaka was the defending champion,^[4] but was defeated by Fernandez in the third round.

The final marked the first all-teenage major final since Serena Williams defeated Martina Hingis in 1999, and the first women's singles major final in the Open Era to feature two unseeded players.^[5] Raducanu and Fernandez both made their top 30 debuts following the tournament. Fernandez was the youngest player to defeat three top-five seeded players in the same major since Williams at the 1999 US Open.^[6][7]

This was the first major since the 2011 French Open and first US Open since 2003 where neither of the Williams sisters participated.^[8] This event also marked the final major appearance for former world No. 6 Carla Suárez Navarro, who lost in the first round to Danielle Collins.^[9]

None of the top 20 seeds lost prior to the third round, the first time this occurred since the introduction of the 32-seed format in 2001.^[10] The defeats of Karolína Plíšková and Barbora Krejčíková in the quarterfinals guaranteed two first-time major finalists; Raducanu and Fernandez emerged to become those players. This also ensured that, for the first time since 2014, eight different players contested the four major finals in a season.

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

The following are the seeded players. Seedings are based on WTA rankings as of August 23, 2021. Rank and points before are as of August 30, 2021.

As a result of pandemic-related adjustments to the ranking system, players are defending the greater of their points from the 2019 and 2020 tournaments.^[11] In addition, points from tournaments held during the weeks of September 9, 2019 and September 7, 2020 will be dropped at the end of the tournament and replaced by the player's next best result.

More information Seed, Rank ...

Seed	Rank	Player	Points before	Points defending from 2019 or 2020	Points won	Points after	Status
1	1	Ashleigh Barty	10,185	240	130	10,075	Third round lost to Shelby Rogers
2	2	Aryna Sabalenka	7,010	70	780	7,720	Semifinals lost to Leylah Fernandez
3	3	Naomi Osaka	6,666	2,000	130	4,796	Third round lost to Leylah Fernandez
4	4	Karolína Plíšková	5,530	240+470	430+65	5,315	Quarterfinals lost to Maria Sakkari [17]
5	5	Elina Svitolina	5,210	780	430	4,860	Quarterfinals lost to Leylah Fernandez
6	7	Bianca Andreescu	4,537	2,000	240	2,777	Fourth round lost to Maria Sakkari [17]
7	8	Iga Świątek	4,461	130	240	4,571	Fourth round lost to Belinda Bencic [11]
8	9	Barbora Krejčíková	4,273	(35)†	430	4,668	Quarterfinals lost to Aryna Sabalenka [2]
9	10	Garbiñe Muguruza	4,210	70	240	4,380	Fourth round lost to Barbora Krejčíková [8]
10	11	Petra Kvitová	4,170	240	130	4,060	Third round lost to Maria Sakkari [17]
11	12	Belinda Bencic	4,170	780	430	3,820	Quarterfinals lost to Emma Raducanu [Q]
12	13	Simona Halep	3,881	70	240	4,051	Fourth round lost to Elina Svitolina [5]
13	14	Jennifer Brady	3,489	780+29	0+15	2,695	Withdrew due to injury
14	15	Anastasia Pavlyuchenkova	3,420	70	240	3,590	Fourth round lost to Karolína Plíšková [4]
15	16	Elise Mertens	3,330	430	240	3,140	Fourth round lost to Aryna Sabalenka [2]
16	17	Angelique Kerber	3,245	240	240	3,245	Fourth round lost to Leylah Fernandez
17	18	Maria Sakkari	3,210	240	780	3,750	Semifinals lost to Emma Raducanu [Q]
18	19	Victoria Azarenka	3,160	1,300	130	1,990	Third round lost to Garbiñe Muguruza [9]
19	20	Elena Rybakina	3,083	70+180	130+105	3,068	Third round lost to Simona Halep [12]
20	21	Ons Jabeur	2,975	130	130	2,975	Third round lost to Elise Mertens [15]
21	23	Coco Gauff	2,875	130	70	2,815	Second round lost to Sloane Stephens
22	24	Karolína Muchová	2,862	240	10	2,632	First round lost to Sara Sorribes Tormo
23	25	Jessica Pegula	2,425	130	130	2,425	Third round lost to Belinda Bencic [11]
24	26	Paula Badosa	2,343	30+110	70+30	2,303	Second round lost to Varvara Gracheva
25	27	Daria Kasatkina	2,340	10	130	2,460	Third round lost to Elina Svitolina [5]
26	29	Danielle Collins	2,270	70	130	2,330	Third round lost to Aryna Sabalenka [2]
27	30	Jeļena Ostapenko	2,170	130	0	2,040	Withdrew due to medical reasons
28	28	Anett Kontaveit	2,315	240	130	2,205	Third round lost to Iga Świątek [7]
29	31	Veronika Kudermetova	2,040	10+110	10+100	2,030	First round lost to Sorana Cîrstea
30	32	Petra Martić	2,005	240+305	70+55	1,585	Second round lost to Ajla Tomljanović
31	33	Yulia Putintseva	1,910	430	10	1,490	First round lost to Kaia Kanepi
32	34	Ekaterina Alexandrova	1,866	70	70	1,866	Second round lost to Kamilla Rakhimova [LL]

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† The player did not qualify for the tournament in 2019 or 2020. Accordingly, points for her 16th best result are deducted instead.

Withdrawn players

The following players would have been seeded, but withdrew before the tournament began.

More information Rank, Player ...

Rank	Player	Points before	Points defending from 2019 or 2020	Points after	Withdrawal reason
6	Sofia Kenin	5,030	240+100	4,691	Positive COVID-19 test
22	Serena Williams	2,891	1,300	1,591	Hamstring injury in right leg

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• 2021 US Open – Day-by-day summaries