Golubic beats top seed Errani in Guangzhou

Beijing : Switzerland's Viktorija Golubic scored a shock win over top seed Sara Errani Wednesday to advance to the quarter-finals of the Guangzhou Open.

Golubic, 23, slugged it out against the 29-year-old Italian for three hours before securing a 6-7 (7/9), 6-3, 6-4 win.

She next faces Estonia's Anett Kontaveit.

Second-seed and defending champion Jelena Jankovic of Serbia cruised through after Sweden's Rebecca Peterson retired in the second set.

Former Wimbledon runner-up Sabine Lisicki of Germany beat China's Peng Shuai 6-4, 6-1.