Gerry Weber Open - Day 9 - UBITENNIS

Gerry Weber Open – Day 9

HALLE, GERMANY - JUNE 25: Alexander Zverev and Roger Federer after the men's singles match Roger Federer of Suiss against Alexander Zverev of Germany on Day 9 of the Gerry Weber Open 2017 at Gerry Weber Stadium on June 25, 2017 in Halle, Germany. (Photo by Joachim Sielski/Bongarts/Getty Images)

By Pawan Atri