Iga Swiatek beats Coco Gauff at the WTA Finals. Gauff double-faulted 4 times in 1 game
U.S. Open champion Coco Gauff double-faulted four times in a row while serving for the second set and wound up losing 6-0, 7-5 to four-time major title winner Iga Swiatek in round-robin…