India's shuttle queen Saina Nehwal has waltzed into the Women's Singles semi-finals of the Denmark Open Super Series Badminton tournament in Odense. Saina, who is the third seed, will today lock horns with World Number One Yihan Wang of China for a place in the finals. In the quarterfinals last night, the London Olympics Bronze medallist, Saina brushed aside Tine Baun of Denmark in straight games, 21-10, 21-11.