World No. 1 Aryna Sabalenka was so sure that the umpire had made an incorrect call during her Stuttgart Open quarterfinal victory over Elise Mertens that she used a mobile phone to photograph the ...

STUTTGART—No matter where Aryna Sabalenka appears, one thing is guaranteed: good vibes. It doesn't matter whether she's on the court, wowing fans around the world with her powerful strokes ...