Kazakhstan advanced to the United Cup mixed teams tennis tournament semifinals with an unassailable 2-0 lead over Germany, a team playing without injured world No. 2-ranked Alexander Zverev. Zverev was a late scratch on Wednesday because of a biceps injury.

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

PERTH, Australia (AP) — 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.

SYDNEY - Kazakhstan shattered Germany's title defence at the United Cup on Wednesday and secured their place in the semi-finals of the mixed team tennis tournament. Read more at straitstimes.com.

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.