2021 AO - Women’s Singles quarter finals (1)

Day Nine of the first Grand Slam tournament of 2021 - quarter finals part one.

2021 Australian Open - a Grand Slam tournament, on Hard, in Melbourne, Australia, 8-21 February 2021.

Defending champion:

Sofia Kenin (14) who defeated Garbiñe Muguruza 4-6 6-2 6-2

Women’s singles quarter final results:

Naomi Osaka (3) defeated Hsieh Su-Wei 6-2 6-2

Serena Williams (10) defeated Simona Halep (2) 6-3 6-3

Semi final match up

Naomi Osaka (3) v Serena Williams (10)