Anne Keothavong defeated
British number three Anne Keothavong has been knocked out of the WTA Shenzhen Longgang Gemdale Open by China's Peng Shuai.
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The Londoner, who won over the weekend to qualify for the main draw, was beaten 6-4 6-0 by the sixth seed in the first round.
Laura Robson, the British number two, moved into the second round in Shenzhen with a 6-2 6-1 triumph over Romania's Edina Gallovits-Hill on Sunday.
France's Marion Bartoli crushed Chan Wing-yau 6-1 6-0 in her first round match.
The second seed was far too strong for her opponent, ranked 357 in the world, as she closed out victory in little more than an hour.
Fifth seed Klara Zakopalova was also a convincing winner as she swept aside fellow Czech Andrea Hlavackova 6-1 6-1.
Serbia's Bojana Jovanovski, seeded eight, was also a straight-sets winner, seeing off Alexandra Cadantu of Romania 6-3 6-1.
Also through to the second round are Switzerland's Stefanie Voegele, American Julia Cohen, China's Duan Ying-ying, Chang Kai-chen of Taiwan, Japan's Ayumi Morita and Ukrainian Elina Svitolina.