Tsvetana Pironkova

US Open 2020: Not how you start, but how you finish, says Serena Williams in comeback win to move into semis

Serena Williams hit 20 aces, her most in a match in eight years — to end up on the right side of a 4-6, 6-3, 6-2 score after more than two hours.

US Open 2020: Thiem to meet Medvedev in semi-finals after beating De Minaur; Williams to face Azarenka

Serena Williams came from a set down to overcome unseeded Bulgarian Tsvetana Pironkova and keep alive her bid for a 24th singles Grand Slam title at US Open.

US Open 2020, Quarter-finals, Tennis Highlights: Thiem beats De Minaur to reach semis; Azarenka sets up mouth-watering clash with Serena

Follow all the latest action, live scores and more from the US Open 2020 quarter-finals on Firstpost.com's live blog!

US Open 2020: Mother's Day Out at Flushing Meadows as Serena Williams takes on Tsvetana Pironkova

Serena Williams, making her 17th US Open quarterfinal appearance, takes on Tsvetana Pironkova, making her first, on Wednesday.

US Open 2020: Andy Murray crashes out after losing to Felix Auger-Aliassime; Serena Williams, Daniil Medvedev advance

Sofia Kenin continued her impressive form this year with a straightforward 6-4, 6-3 victory over Canadian Leylah Fernandez to progress into the third round of US Open.

Indian Wells Masters: Belinda Bencic notches 1st tour win of 2017, Heather Watson beats Nicole Gibbs

Britain's Heather Watson beat American Nicole Gibbs 4-6, 6-2, 6-2 on Wednesday in the first round of the BNP Paribas Open at Indian Wells.

French Open 2016: Players blast rain play, Novak Djokovic faces epic stretch

French Open 2016: Agnieszka Radwańska, Simona Halep suffer shock exits

Tough opening round for Sania in Aus Open

Sania Mirza has drawn first round opponent in Bulgaria's Tsvetana Pironkova for the women's singles event of the Australian Open, season's first Grand Slam tournament.