World number one shuttler Saina Nehwal will clash with Shixian Wang of China in the Women's Singles quarter-finals of the Australian Open Super Series badminton tournament today. The defending champion Saina has a close 6-5 record in 11 meetings with two-time All England champion Wang. Saina entered the quarter-finals in Sydney yesterday beating Sun Yu of China in three games 21-19 19-21 21-14.