Gauff calls for replays in tennis after spat with chair umpire
Coco Gauff was not thrilled about the chair umpire's ruling that went against her during a French Open semifinal loss to Iga Swiatek on Thursday — and made that quite clear to the official. Gauff also thinks it's about time that tennis moved into the 21st century and relied on video replay technology at all events, the way many other sports do.