Miami Open - WTA 2R complete

Second round completed 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

Second round results:

- Bianca Andreescu (8) defeated qualifier Tereza Martincova 7-6(5) 6-2

- Amanda Anisimova (28) defeated Sloane Stephens 6-3 6-3

- Wildcard Anna Kalinskaya defeated Petra Martic (20) 5-7 6-2 7-6(4)

- Garbiñe Muguruza (12) defeated wildcard Wang Xinyu 6-4 6-1

- Sara Sorribes Tormo defeated Jennifer Brady (13) 3-6 6-4 6-1

- Elena Rybakina (21) defeated Kaia Kanepi 6-4 6-0

- Ons Jabeur (27) defeated Paula Badosa 7-6(6) 5-7 7-5

- Sofia Kenin (4) defeated Andrea Petkovic 6-7(6) 6-1 6-3

- Karolína Plíšková (6) defeated Zheng Saisai 6-2 6-1

- Jessica Pegula (29) defeated wildcard Storm Sanders 6-3 6-4

- Maria Sakkari (23) defeated Arantxa Rus 6-2 6-3

- Qualifier Liudmila Samsonova defeated Kiki Bertens (10) 6-2 6-1

- Elise Mertens (16) defeated Katie Boulter 6-4 6-1

- Anett Kontaveit (22) defeated Sorana Cirstea 6-3 4-6 6-3

- Qualifier Nina Stojanovic defeated Yulia Putintseva (26) 5-7 7-5 6-2

- Naomi Osaka (2) defeated Ajla Tomljanović 7-6(3) 6-4