Alexander Zverev undergoes ankle surgery after French Open fall

Zverev fell and twisted his ankle at Roland Garros on Friday

Alexander Zverev has undergone surgery (AP Photo/Thibault Camus)

Alexander Zverev has undergone surgery on torn ankle ligaments following his fall in the French Open semi-final against Rafael Nadal.

Zverev fell and twisted his ankle at the end of the second set at Roland Garros on Friday, yelling in pain as Nadal rushed around the net to help.