Anastasia Sergeyevna Potapova is a Russian professional tennis player. She has a career-high singles ranking of No. 21 by the WTA, achieved on 19 June 2023, and a doubles ranking of world No. 40, reached on 5 December 2022. From Wikipedia
The world No. 1 defeated Elise Mertens in straight sets, challenging an umpire's call by photographing a ball mark, and will face Jasmine Paolini next.