Current world No. 67 Viktorija Golubic of Switzerland scored a stunning victory against the tournament's top seeded player Sara Errani of Italy to progress into the quarterfinal round of the year's edition of the Guangzhou International Women's Open on Wednesday at the Guangdong Olympic Tennis Center.

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The 23-year-old Golubic slugged it out against Errani, a 2012 French Open finalist, for three hours before finally defeating the 29-year-old Italian tennis ace with a hard-fought 6-7 (7/9), 6-3, 6-4 triumph, according to Channel NewsAsia.

Golubic, this year's winner of the WTA Tour Ladies Championship Gstaad, will be facing Anett Kontaveit of Estonia. Kontaveit successfully pass through Zhu Lin of China 1-6, 6-3, 0-6 in their second round match.

Meanwhile, in the other matches of the day, tourney's second-seed and defending champion Jelena Jankovic of Serbia easily navigated her way to the quarterfinal stage following Rebecca Peterson of Sweden retired in the second set of their respective second round challenge, according to Fox Sports.

Jankovic claimed her opening round match with an impressive victory over Xiaodi You of China with a two-straight-set 6-2, 6-1win. The victory moves the current world No. 37 closer to her goal of becoming the tournament's first player to claim the title in two successive occasions.

China's Peng Shuai failed to advance to the quarterfinals after bowing down to the former Wimbledon finalist Sabine Lisicki of Germany with a 6-4, 6-1 defeat. The German will play Jankovic in the quarterfinal stage.

Here are the results of the other second round matches of the tournament;

1. Lesia Tsurenko (UKR) bt Nigina Abduraimova (UZB) 6-2, 6-2
2. Alison Riske (USA) bt Olga Govortsova (BLR) 2-6, 6-2, 7-6(1)
3. Jennifer Brady (USA) bt Danka Kovinic (MNE) 6-3, 7-5
4. Ana Konjuh (CRO) bt Sofia Shapatava (GEO) 6-1, 7-6(2)
5. Anett Kontaveit (EST) bt Lin Zhu (CHN) 6-1, 3-6, 6-0
6. Viktorija Golubic (SUI) bt Sara Errani (ITA) 6-7 (7/9), 6-3, 6-4

Tagsvictorija golubic, Jelena Jankovic, guangzhou open, wta, Peng Shuai, China Guangzhou Open Quarterfinals