World No 228 Himeno Sakatsume of Japan crushed fourth-seeded Sofia Kenin 6-2, 6-1 in 72 minutes on Tuesday in the first round of the Hong Kong Tennis Open.

Sakatsume converted seven of 14 break chances as Kenin won only 39 percent (15 of 38) of the points on her first serve. Sakatsume next faces Hong Kong wild card Eudice Chong, a 6-3, 6-4 winner over the Netherlands' Suzan Lamens.

The other seeded players fared better. No 1 Belinda Bencic of Switzerland defeated Russia's Aliaksandra Sasnovich 6-3, 6-4 and No 2 Leylah Fernandez beat China's Wang Xiyu 6-1, 6-4. No 3 Victoria Mboko of Canada rallied for a 6-7 (2), 6-1, 6-4 win over Australia's Talia Gibson. No 6 Anna Kalinskaya of Russia, No 7 Sorana Cirstea of Romania and No 8 Emiliana Arango also advanced to the second round, as did China's Zhang Shuai and Alexandra Eala of the Philippines.

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Jiangxi Open

China's Bai Zhuoxuan pulled off a 6-3, 6-1 first-round upset against top-seeded American Ann Li in Jiujiang, China.

Bai converted six of nine break opportunities in the 68-minute stunner to set up a second-round match against Guo Hanyu.

No 2 seed Viktorija Golubic defeated Japan's Rina Saigo 6-2, 6-4 and No 3 Alycia Parks was leading 6-3, 2-1 when China's Zhu Lin retired. Italy's Elisabetta Cocciaretto was up 6-2, 3-0 when No 7 Camila Osorio of Colombia retired. Also advancing were Slovenia's Kaja Juvan, Austria's Lilli Tagger and Russians Elena Pridankina and Anna Blinkova.

Chennai Open

Rain from Cyclonic Storm Montha washed out a second straight day of action at the WTA 250 event in Chennai, India.