WTA - Madrid 1R complete

First round completed in Madrid.

2021 Mutual Madrid Open - a WTA 1000 tournament, on Clay, in Madrid, Spain, 29 April - 9 May 2021.

Event not held last year due to COVID-19.

Defending champion (2019):

Kiki Bertens (7) who defeated Simona Halep (3) 6-4 6-4

Svetlana Kuznetsova withdrew after the main draw was published due to a hamstring injury, and was replaced by lucky loser Polona Hercog.

First round results:

- Aryna Sabalenka (5) defeated qualifier Vera Zvonareva 6-1 6-2

- Daria Kasatkina defeated qualifier Irina-Camelia Begu 4-6 6-4 7-6(1)

- Jessica Pegula defeated wildcard Sorana Cirstea 7-6(5) 6-3

- Victoria Azarenka (12) defeated Ekaterina Alexandrova 7-5 3-6 6-1

- Elise Mertens (13) defeated Zhang Shuai 6-3 6-3

- Elena Rybakina defeated qualifier Ajla Tomljanovic 6-4 6-0

- Zheng Saisai defeated Magda Linette 6-2 3-6 6-1

- Simona Halep (3) defeated wildcard Sara Sorribes Tormo 6-0 7-5

- Karolina Pliskova (6) defeated CoCo Gauff 5-7 6-3 6-2

- Anastasia Pavlyuchenkova defeated Madison Keys 7-5 6-2

- Jelena Ostapenko defeated lucky loser Polona Hercog 6-3 6-1

- Jennifer Brady (11) defeated wildcard Venus Williams 6-2 6-4

- Maria Sakkari (16) defeated Amanda Anisimova 0-6 6-1 6-4

- Anett Kontaveit defeated qualifier Nina Stojanovic 7-6(4) 7-5

- Karolina Muchova defeated Wang Qiang 6-1 6-3

- Naomi Osaka (2) defeated qualifier Misaki Doi 7-5 6-2