Video PlayerClose

Spain's Rafael Nadal reacts during the men's singles quarterfinal against Croatia's Marin Cilic at Australian Open 2018 in Melbourne, Australia, Jan. 23, 2018. (Xinhua/Bai Xuefei)

Spain's Rafael Nadal reacts during the men's singles quarterfinal against Croatia's Marin Cilic at Australian Open 2018 in Melbourne, Australia, Jan. 23, 2018. (Xinhua/Bai Xuefei)