Zverev powers Germany into United Cup semis

SYDNEY, Jan. 5 (Xinhua) -- World No.7 Alexander Zverev spearheaded Germany into the semifinals of the mixed teams United Cup after a comeback victory over Greece here on Friday.

The quarterfinal came down to the decisive mixed doubles with Zverev teaming up with Laura Siegemund to down Petros Tsitsipas and Maria Sakkari 6-3, 6-3.

Germany will face host Australia in the semifinals on Saturday.

Zvere