Serena Williams of the US hits a return to Tsvetana Pironkova of Bulgaria during their Quarterfinals match on the tenth day of the US Open Tennis Championships the USTA National Tennis Center in Flushing Meadows, New York, USA, 09 September 2020. Due to the coronavirus pandemic, the US Open is being played without fans and runs from 31 August through 13 September. … [Read more...] about 10sBalls • U.S. Open Tennis Photos of Serena, Thiem, Azarenka, Zverev, Medvedev, Carreño Busta, and The Dubs Finalists