Top seed Xu Xin reaches second round in Paris tournament

China's Xu Xin signs autographs after his victory over Steffen Mengel of Germany in their men's singles opening round at the World Team Table Tennis Championships in Paris, May 15, 2013. The 52nd edition of the World Table Tennis Championships gathers 829 athletes from 162 countries runs from May 13 to May 20. [Photo/Agencies]