Miami Open - WTA 3R complete

Third round completed and round of sixteen set in Miami Open - WTA 1000.

2021 Miami Open - a WTA 1000 tournament, on Hard Outdoor, in Miami, Florida, USA, 22 March - 4 April 2021.

Event not held last year due to COVID-19.

Defending champion (2019):

Ashleigh Barty (12) who defeated Karolina Pliskova (5) 7-6(1) 6-3

Third round results:

- Bianca Andreescu (8) defeated Amanda Anisimova (28) 7-6(4) 6-7(2) 6-4

- Garbiñe Muguruza (12) defeated wildcard Anna Kalinskaya 4-6 6-3 6-4

- Sara Sorribes Tormo defeated Elena Rybakina (21) 6-1 3-6 6-2

- Ons Jabeur (27) defeated Sofia Kenin (4) 6-4 4-6 6-4

- Jessica Pegula (29) defeated Karolína Plíšková (6) 6-1 4-6 6-4

- Maria Sakkari (23) defeated qualifier Liudmila Samsonova 6-0 6-1

- Elise Mertens (16) defeated Anett Kontaveit (22) 6-2 0-6 6-2

- Naomi Osaka (2) received a walkover from qualifier Nina Stojanovic due to thigh injury 

Round of sixteen match ups 

Ashleigh Barty (1) v Victoria Azarenka (14)

Marketa Vondrousova (19) v Aryna Sabalenka (7)

Anastasija Sevastova v wildcard Ana Konjuh

Petra Kvitová (9) v Elina Svitolina (5)

Bianca Andreescu (8) v Garbiñe Muguruza (12)

Sara Sorribes Tormo v Ons Jabeur (27)

Jessica Pegula (29) v Maria Sakkari (23)

Elise Mertens (16) v Naomi Osaka (2)