Continuing her giant-killing spree, Indian shuttler P V Sindhu on Saturday upset former world champion Wang Yihan of China at the Denmark Open badminton Super Series Premier tournament. In the semi-final of the women's singles in Odense, the World No. 13 shuttler defeated her rival in three games 21-15, 18-21, 21-17.In the final, Sindhu will take on Li Xue Rui of China who overcame Sung Ji Hyun of Korea, also in three games, 21-8, 20-22, 21-10 in the other semi-final.