Defending champion

Ashleigh Barty Ashleigh Jacinta Barty (born 24 April 1996) is an Australian former professional tennis player and cricketer. She was ranked as the List of WTA number 1 ranked singles tennis players, world No. 1 in women's singles by the Women's Tennis Assoc ...

won the women's singles tennis title at the 2021 Miami Open after

Bianca Andreescu Bianca Vanessa Andreescu (; born June 16, 2000) is a Canadian professional tennis player. She has been WTA rankings, ranked world No. 4 in women's singles by the Women's Tennis Association, WTA. Andreescu has won two singles titles on the WTA T ...

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 Kristína Kučová (; born 23 May 1990) is a Slovak tennis player. On 12 September 2016, she reached her best singles ranking of world No. 71. On 5 October 2009, she peaked at No. 168 in the WTA doubles rankings. She has won one singles title on ...

. Barty and

Naomi Osaka is a Japanese professional tennis player. She has been ranked as the List of WTA number 1 ranked singles tennis players, world No. 1 in women's singles by the Women's Tennis Association, WTA for 25 weeks, the first Asian player to hold the ...

were in contention for the WTA No. 1 singles ranking. Barty retained the top ranking by winning the title after Osaka lost to

Maria Sakkari Maria Sakkari (, ; born 25 July 1995) is a Greek professional tennis player. She has been ranked as high as world No. 3 by the Women's Tennis Association, WTA, which she first achieved on 21 March 2022, making her the highest-ranked Greek player ...

in the quarterfinals, ending a 23-match winning streak dating to the 2020 Cincinnati Masters.

Seeds

All

seeds In botany, a seed is a plant structure containing an embryo and stored nutrients in a protective coat called a ''testa''. More generally, the term "seed" means anything that can be sown, which may include seed and husk or tuber. Seeds are the ...

received a bye into the second round.

Draw

Finals

Top half

Section 1

Section 2

Section 3

Section 4

Bottom half

Section 5

Section 6

Section 7

Section 8

Qualifying

Seeds

Qualifiers

Lucky loser

Kirsten Flipkens Kirsten "Flipper" Flipkens (; born 10 January 1986) is a Belgian tennis coach and a former professional player. She reached a career-high ranking of No. 13 by the Women's Tennis Association (WTA). Flipkens has won one singles title on the WTA T ...

Qualifying draw

First qualifier

Second qualifier

Third qualifier

Fourth qualifier

Fifth qualifier

Sixth qualifier

Seventh qualifier

Eighth qualifier

Ninth qualifier

Tenth qualifier

Eleventh qualifier

Twelfth qualifier

References

External links

Main draw

Qualifying draw
{{DEFAULTSORT:Miami Open - Women's Singles, 2021 2021 WTA Tour Women's Singles