Malaysia's Lee Chong Wei returns the shot against Boonsak Posana of Thailand during the semi final match of the Yonex Sunrise India Open 2013 Badminton Championship in New Delhi, India, April 27, 2013. Lee Chong Wei won 2:1 and reached the final.(Xinhua/Partha Sarkar) 

Malaysia's Lee Chong Wei returns the shot against Boonsak Posana of Thailand during the semi final match of the Yonex Sunrise India Open 2013 Badminton Championship in New Delhi, India, April 27, 2013. Lee Chong Wei won 2:1 and reached the final.(Xinhua/Zheng Huansong) 

China's Liu Xiaolong(R)/Qiu Zihan celebrate after winning the semi final match against Indonesia's Angga Pratama/Ryan Agung Saputra during the Yonex Sunrise India Open 2013 Badminton Championship in New Delhi, India, April 27, 2013. Liu Xiaolong/Qiu Zihan won 2:0 and reached the final.(Xinhua/Zheng Huansong) 

Malaysia's Lee Chong Wei returns the shot against Boonsak Posana of Thailand during the semi final match of the Yonex Sunrise India Open 2013 Badminton Championship in New Delhi, India, April 27, 2013. Lee Chong Wei won 2:1 and reached the final.(Xinhua/Zheng Huansong) 

China's Liu Xiaolong(L)/Qiu Zihan return a shot during the semi final match against Indonesia's Angga Pratama/Ryan Agung Saputra during the Yonex Sunrise India Open 2013 Badminton Championship in New Delhi, India, April 27, 2013. LiuXiaolong/Qiu Zihan won 2:0 and reached the final.(Xinhua/Partha Sarkar) 

China's Liu Xiaolong(L)/Qiu Zihan return a shot during the semi final match against Indonesia's Angga Pratama/Ryan Agung Saputra during the Yonex Sunrise India Open 2013 Badminton Championship in New Delhi, India, April 27, 2013. Liu Xiaolong/Qiu Zihan won 2:0 and reached the final.(Xinhua/Partha Sarkar)