World number one Chen Long of China cruised into the semi-finals of badminton's Bonny China Masters in Jiangsu on Friday.
Chen defeated seventh seed H. S. Prannoy of India 21-10, 21-15 in 46 minutes.
In the semi-final, he will be up against Thai 12th seed Tanongsak Saensomboonsuk, who caused an upset when defeating Korea Republic eighth seed Lee Dong Keun 21-13, 21-18.
Second seed Lin Dan of China needed 51 minutes to get past countryman Guangzu Lu 21-14, 17-21, 21-12. The superstar will now face Lin Guipu in the final four clash after Guipu defeated Kazumasa Sakai 21-10, 21-18.