Music Serena Williams Loses Place As World’s No 1 Female Tennis Player Frosti September 9, 2016 0 Comments Karolina Pliskova, Serena Williams Serena Williams has lost her place as the number 1 tennis player in the world after she fell in straight sets to 24-year-old Karolina Pliskova in the US Open semi final on Thursday night, 6-2, 7-6. Related