Serena Williams Rallies to Reach US Open Final Four vs Azarenka, Medvedev to Meet Thiem in Semis  (September 9, 2020) In the all-mom battle, Serena Williams rallied from a set and a break deficit to beat unranked Tsvetana Pironkova 4-6, 6-3, 6-2 on Wednesday to reach her 11 straight US Open semifinal. “In the beginning, I was a little fatigued, for whatever reason,” the … [Read more...] about Serena Williams Rallies to Reach US Open Final Four vs Azarenka, Medvedev to Meet Thiem in Semis