China’s Shuai broke the No. 6 seed in the penultimate game of the second set and served out to secure a 6-4, 7-5 victory.
Elsewhere, No. 4 seed Qiang Wang advanced past No. 8 seed Magda Linette thanks to a comprehensive 6-2, 6-2 victory. The Chinese player won the first set in just 33 minutes, despite losing her first two games.