![Serena Williams edges out Tsvetana Pironkova to reach US Open semi-finals against Victoria Azarenka | Tennis News | Sky Sports Serena Williams edges out Tsvetana Pironkova to reach US Open semi-finals against Victoria Azarenka | Tennis News | Sky Sports](https://e0.365dm.com/20/09/768x432/skysports-pironkova-tsvetana_5090058.jpg?20200907223507)
Serena Williams edges out Tsvetana Pironkova to reach US Open semi-finals against Victoria Azarenka | Tennis News | Sky Sports
![Serena Williams digs deep against Pironkova to reach US Open semi-finals | US Open Tennis 2020 | The Guardian Serena Williams digs deep against Pironkova to reach US Open semi-finals | US Open Tennis 2020 | The Guardian](https://i.guim.co.uk/img/media/bc9bf38d0131d2441a72a11d71a2ef49917e4f95/0_58_2181_1309/master/2181.jpg?width=1200&height=1200&quality=85&auto=format&fit=crop&s=9ecbd6133efb7b0990a5be2f4e7646e3)
Serena Williams digs deep against Pironkova to reach US Open semi-finals | US Open Tennis 2020 | The Guardian
![Bulgarian Tsvetana Pironkova reacts to hitting a winner during her first round match against American Serena Williams at the French Open at Roland Garros in Paris on May 27, 2007. The match Bulgarian Tsvetana Pironkova reacts to hitting a winner during her first round match against American Serena Williams at the French Open at Roland Garros in Paris on May 27, 2007. The match](https://c8.alamy.com/comp/TYXXTF/bulgarian-tsvetana-pironkova-reacts-to-hitting-a-winner-during-her-first-round-match-against-american-serena-williams-at-the-french-open-at-roland-garros-in-paris-on-may-27-2007-the-match-was-suspended-because-of-rain-with-pironkova-holding-a-6-5-lead-in-the-first-set-upi-photo-david-silpa-TYXXTF.jpg)
Bulgarian Tsvetana Pironkova reacts to hitting a winner during her first round match against American Serena Williams at the French Open at Roland Garros in Paris on May 27, 2007. The match
![We Are Tennis on Twitter: "Serena keeps dreaming! Serena Williams reaches a Grand Slam semi-final for the 39th time defeating Tsvetana Pironkova 4-6 6-3 6-2! #USOpen… https://t.co/Jwiib836UD" We Are Tennis on Twitter: "Serena keeps dreaming! Serena Williams reaches a Grand Slam semi-final for the 39th time defeating Tsvetana Pironkova 4-6 6-3 6-2! #USOpen… https://t.co/Jwiib836UD"](https://pbs.twimg.com/media/Ehfm5dOXgAMbnEl.jpg)
We Are Tennis on Twitter: "Serena keeps dreaming! Serena Williams reaches a Grand Slam semi-final for the 39th time defeating Tsvetana Pironkova 4-6 6-3 6-2! #USOpen… https://t.co/Jwiib836UD"
US Open Tennis on Twitter: "Down but NEVER out. @serenawilliams rallies to win the second and third sets in convincing fashion over Pironkova. #USOpen https://t.co/iIds0LVrn0" / Twitter
![Serena Williams edges out Tsvetana Pironkova to reach US Open semi-finals against Victoria Azarenka | Tennis News | Sky Sports Serena Williams edges out Tsvetana Pironkova to reach US Open semi-finals against Victoria Azarenka | Tennis News | Sky Sports](https://e0.365dm.com/20/09/2048x1152/skysports-serena-williams-tennis_5091511.jpg)
Serena Williams edges out Tsvetana Pironkova to reach US Open semi-finals against Victoria Azarenka | Tennis News | Sky Sports
![US Open 2020: Serena, Azarenka and Pironkova - the trailblazing women making motherhood normal - Eurosport US Open 2020: Serena, Azarenka and Pironkova - the trailblazing women making motherhood normal - Eurosport](https://imgresizer.eurosport.com/unsafe/1200x0/filters:format(jpeg):focal(1328x322:1330x320)/origin-imgresizer.eurosport.com/2020/09/09/2883136-59370728-2560-1440.jpg)