Coco Gauff and Taylor Fritz have powered the U.S. into the semifinals of the United Cup mixed teams tennis event.

He has yet to win a Grand Slam, having come close on two occasions; without him, Germany lose to Kazakhstan in q-finals. Read more at straitstimes.com.

Kazakhstan has advanced to the United Cup mixed teams tennis tournament semifinals with an unassailable 2-0 lead over a German team playing without the injured world No. 2-ranked Alexander Zverev.

The top-seeded pair of Coco Gauff and U.S. Open finalist Taylor Fritz of the United States are into the United Cup mixed teams tennis quarterfinals.

Elena Rybakina's Kazakhstan dumped defending champions Germany out of the United Cup on Wednesday with Alexander Zverev sidelined by an arm injury barely a week away from the Australian Open, while top seeds USA beat China to reach the semi-finals.

In Sydney, Italy earlier won Group D to qualify for the quarterfinals. Winners of the past two Davis Cups and runners-up two years ago to the U.S. in the inaugural edition of the season-opening mixed teams’ event, Italy won its group without world No.1 Jannik Sinner.

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 Alexander Zverev won't play in Germany's quarter-final clash with Kazakhstan at the United Cup due to a biceps injury.

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.