Saina Nehwal and Sai Praneeth have bowed out of the Macau Open Grand Prix Gold badminton tournament. In the women's quarterfinal at Macau today, top seeded Saina lost to unseeded Chinese player Zhang Yiman in straight games 12-21, 17-21. In the men's quarter-final, Sai Praneeth also went down against a Chinese player, Zhao Jun Peng, in straight games 19-21, 9-21.