US Open 2021 - Day 4 Women’s Singles 2R

US Open 2021 - Day Four Women’s Singles second round .

Including second round match postponed from Day Three

US Open - a Grand Slam tournament, on Hard, in New York City, New York, USA, 30 August - 12 September 2021.

Defending champion:

Naomi Osaka (4) who defeated Victoria Azarenka 1-6 6-3 6-3

Second round results:

- Ashleigh Barty (1) defeated Clara Tauson 6-1 7-5

- Shelby Rogers defeated Sorana Cirstea 7-5 6-2

- Sara Sorribes Tormo defeated Hsieh Su-wei 6-1 6-3

- Qualifier Emma Raducanu defeated Zhang Shuai 6-2 6-4

- Belinda Bencic (11) defeated Martina Trevisan 6-3 6-1

- Jessica Pegula (23) defeated Misaki Doi 6-3 6-2

- Anett Kontaveit (28) defeated Jil Teichmann 6-4 6-1

- Iga Swiatek (7) defeated Fiona Ferro 3-6 7-6(3) 6-0

- Karolina Pliskova (4) defeated Amanda Anisimova 7-5 6-7(5) 7-6(7)

- Ajla Tomljanovic defeated Petra Martic (30) 7-6(6) 6-4

- Varvara Gracheva defeated Paula Badosa (24) 6-4 6-4

- Anastasia Pavlyuchenkova (14) defeated qualifier Anna Karolina Schmiedlova 6-2 5-7 6-2

- Petra Kvitová (10) defeated qualifier Kristyna Pliskova 7-6(4) 6-2

- Maria Sakkari (17) defeated Katerina Siniakova 6-4 6-2

- Lucky loser Greet Minnen defeated Liudmila Samsonova 6-4 6-4

- Bianca Andreescu (6) defeated Lauren Davis 6-4 6-4

Second round match postponed from Day 3:

- Angelique Kerber (16) defeated Anhelina Kalinina 6-3 6-2