Coco Gauff and Taylor Fritz powered the U.S., tournament winner two years ago, into the semifinals of the United Cup mixed teams tennis event Wednesday. In the first singles match in Perth, Gauff got the ball rolling for her team with a gritty 7-6 (4),

Kazakhstan has advanced to the United Cup mixed teams tennis tournament semifinals with a 2-1 win over over a German team playing without the injured world No. 2-ranked Alexander Zverev. Zverev was a late scratch for Germany on Wednesday due to a biceps injury.

Title holders Germany were knocked out of the United Cup on Wednesday when they fell 2-1 against Kazakhstan in the quarter-finals in the absence of their injured top player Alexander Zverev. World number six Elena Rybakina opened the tie in Perth with a commanding 6-3,

World No. 2-ranked Alexander Zverev withdrew from the United Cup mixed teams tennis tournament on Wednesday with a biceps strain less than two weeks from the start of the Australian Open. The 27-year-old Zverev won his opening two singles matches of the season against Brazil’s Thiago Monteiro and China’s Zheng Zhizhen at the United Cup.

Elena Rybakina's Kazakhstan dumped defending champions Germany out of the United Cup on Wednesday with world number two Alexander Zverev sidelined by an arm injury barely a week away from the Australian Open.