Alexander Zverev during the match against Thomaz Bellucci, corresponding to the third round of the Open Banc Sabadell, 64 Trophy Conde de Godo, played on the RCT Barcelona1899, on april 20, 2016. (Photo by Urbanandsport/NurPhoto via Getty Images)
Alexander Zverev during the match against Thomaz Bellucci, corresponding to the third round of the Open Banc Sabadell, 64 Trophy Conde de Godo, played on the RCT Barcelona1899, on april 20, 2016. (Photo by Urbanandsport/NurPhoto via Getty Images)