Zhang Zhizhen advances into ATP Rome Open last 16

ROME, May 12 (Xinhua) -- Chinese Zhang Zhizhen advanced to the fourth round of the ATP Rome Open after a convincing win over American Ben Shelton, 6-2, 6-4, on Sunday.

Zhang, who spent only 70 minutes on the match, effectively managed to save both break points against him and committed just one double fault, significantly fewer than Shelton's six.

Ranked 56th globally, Zhang is set to face Brazilian quali