Argentina's Nadia Podoroska overcame a rain delay to knock out No.25 seed Dayana Yastremska in three sets and advance to the third round at the China Open.
Zheng Qinwen made a winning return to the China Open, where she defeated Kamilla Rakhimova in straight sets to secure her first tournament win.
No.9 seed Daria Kasatkina dismissed lucky loser Jana Fett 6-1, 6-2 in their second-round match at the China Open on Saturday. Kasatkina needed just 74 minutes to prevail.