Daniel vacek

Lexus ATP Head2Head: Coco Gauff registered a comprehensive singles win over Karolina Muchova while Taylor Fritz benefitted from the abrupt retirement by Tomas Machac as the United States sealed an unassailable 2-0 lead over Czechia and a place in the final of the United Cup mixed-teams tennis tournament here on Saturday.

After Gauff began her country's semifinal tie against Czechia with a comprehensive victory against Muchova, Machac was in a great position to level the tie for his country against Fritz. But from serving for the match at 7-6(4), 5-3, the No. 25 player in the ATP Rankings lost three consecutive games to World No. 4 Fritz and then abruptly retired due to cramps and left knee pain.

“He said he’d been cramping for a couple games already. I didn’t notice, but yeah,” Fritz said in his on-court interview as quoted by the ATP website. “He was moving pretty well, but I guess he was playing through it, fighting. It’s really humid in here.