NEW YORK, Sept. 4 (Xinhua) -- Chinese sensation Zheng Qinwen powered into the quarterfinals of the US Open on Monday with a straight-set win over Ons Jabeur from Tunisia 6-2 and 6-4.

It was Zheng's first time defeating a top 10 player and making it into the final eight of a Grand Slam tournament.

Zheng will play Aryna Sabalenka of Belarus on Wednesday for a place in the last four.