Chongqing, March 13 -- World No. 1 Sun Yingsha of China advanced to the women's singles quarterfinals with a straight-game victory over Adriana Diaz of Puerto Rico at the World Table Tennis Champions Chongqing tournament on Friday.

Sun needed just 25 minutes to secure an 11-5, 11-7, 11-5 victory, according to Xinhua.

"Actually we didn't play against each other many times before, but we sometimes trained together. I made more specific preparations for this match. Though I won in straight games, the match was quite excellent," Sun said after her win.

Sun will face compatriot Kuai Man in the quarterfinals. Looking ahead to the clash, Sun said, "I will continue to go all out and enjoy the match."Other qualified Chinese female paddlers includ...