Lee, one of Malaysia’s favourite sporting sons, remains his country’s top ranked shuttler.
Indian challenge ended at the tournament with Saina Nehwal and P V Sindhu suffering three-game defeats in the QFs.
There had been problems between the two parties since the 2013 IBL season.
Kashyap outplayed Wong 21-17 21-13 in a 39-minute contest at the Wuhan Sports Center Gymnasium.
Saina retook the numero-uno spot in world badminton rankings on Thursday.
Women’s doubles pair of Jwala Gutta and Ashwini Ponappa earlier failed to make the TOPS cut, but could now get a look in.
Saina skipped Singapore Open but gained in the rankings after Xuerui pulled out from the tournament.
Gopichand’s daughter Gayatri’s career will be closely followed because her father is one of the sharpest brains in mentoring singles shuttlers.
In the second game, Kashyap completely ran out of steam as he lagged behind from the very beginning.
Kashyap continued his impressive form, advancing to the semifinals of Singapore Open Super Series badminton tournament.
World No. 14 Prannoy, defeated world no 2 Jorgensen to make himself a place in the Quarter Finals.
In the current world ranking Saina Nehwal slided down from her Numero Uno position
Even if for a week, Nehwal’s rise to the top of singles rankings is a significant development in women’s badminton.
Saina Nehwal to lose her No. 1 ranking after semifinal defeat to Li Xuerui in Malaysia.
After beating Sun Yu, Saina faces China’s Olympic champion Xuerui Li in Malaysia semi-final.