India's ace shuttler Saina Nehwal will today lock horns with fifth seed Tine Baun of Denmark in the semi-finals of the BWF World Super Series Badminton Tournament at KLiuzhou in China.World Number four Saina on Friday defeated third seeded Xin Wang of China 21-17, 22-20 in the third and final group match, ending the round-robin stage at the top of pool 'B'.The second semi-final which is also slated for today will be an all Chinese affair. Top seeded Yihan Wang will play World Number 3 Xin Wang.The final match of the tournament will be played on Sunday.