Belgium’s Greet Minnen and Kazakhstan’s Yulia Putintseva pulled off upsets in the quarterfinals of the Guangzhou Open on Thursday in China.

The unseeded Putintseva eliminated third seed Tatjana Maria of Germany 6-4, 6-7 (6), 6-0. Putintseva converted six of 12 break points and saved nine of 11, overcoming Maria’s 6-1 edge in aces.

Minnen, the seventh seed, ousted fourth seed Lucia Bronzetti of Italy 6-7 (8), 6-4, 6-1.

Top seed Magda Linette of Poland avoided the upset in defeating fifth seed Rebeka Masarova of Spain 7-5, 7-6 (6).

In the other quarterfinal between unseeded players, China’s Xiyu Wang needed three sets to get past Slovakian Viktoria Hruncakova 6-4, 4-6, 6-3.

Minnen faces Wang in one semifinal Friday, while Linette plays Putintseva.

–Field Level Media