China's Wu and Wang shine, defending champs advance at Australian Open

MELBOURNE, Jan. 20 (Xinhua) -- Chinese players Wu Yibing and Wang Xinyu reached the second round of the Australian Open after stirring victories, while Jannik Sinner and Madison Keys made successful starts to their title defenses on Tuesday.

Having rolled through the qualifying draw, Wu showcased his confident form by outlasting Italy's Luca Nardi to reach the second round of the Australian Open for the first ti