Hungary's Anna Bondar knocked out top-seeded Daria Snigur of Ukraine 6-4, 6-2 in the first round of the Guangzhou Open on Monday in China.
Bondar served eight aces, converted four of eight break points and posted a 22-12 edge in winners to complete the upset in just 75 minutes. She will face either American Sofia Kenin or Spain's Kaitlin Quevedo in the second round of the WTA 250 event.
No. 5 seed Paula Badosa of Spain defeated American Carol Young Suh Lee 6-1, 6-4 and No. 7 Maria Timofeeva of Uzbekistan advanced with a 6-4, 6-1 win over Serbia's Teodora Kostovic. Other first-round winners were Britain's Harriet Dart, Austria's Sinja Kraus and China's Han Shi.
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No. 5 seed Elise Mertens of Belgium posted a 6-4, 6-2 win against home favorite Moyuka Uchijima in the first round in Tokyo.
Mertens converted all four break points and made only eight unforced errors in the 78-minute win at the WTA 500 tournament. Her second-round opponent will be either Canada's Leylah Fernandez or Japan's Himeno Sakatsume.
No. 8 Alexandra Eala of the Philippines breezed to a 6-1, 6-2 win against 17-year-old Mika Stojsavljevic of Britain in 75 minutes in the only other match involving a seeded player. Talia Gibson defeated fellow Australian Daria Kasatkina 6-0, 7-5, and American Alycia Parks posted a 6-1, 7-6 (7) win against China's Xinyu Wang.
--Field Level Media