Video PlayerClose
Germany's Alexander Zverev serves during the men's singles third round match against Chung Hyeon of South Korea at Australian Open 2018 in Melbourne, Australia, Jan. 20, 2018. Alexander Zverev lost 2-3. (Xinhua/Li Peng)
Germany's Alexander Zverev serves during the men's singles third round match against Chung Hyeon of South Korea at Australian Open 2018 in Melbourne, Australia, Jan. 20, 2018. Alexander Zverev lost 2-3. (Xinhua/Li Peng)