In pics: Australian Open tennis championships day 5

Xu Yifan of China (L) and Gabriela Dabrowski of Canada celebrate during the women's doubles second round match against Ekaterina Alexandrova of Russia and Anastasija Sevastova of Latvia at Australian Open 2018 in Melbourne, Australia, Jan. 19, 2018. Xu Yifan and Gabriela Dabrowski won 2-0. (Xinhua/Bai Xuefei)