13 most dangerous Backhand Serve types | Tutorial

A detailed guide to 13 backhand serve types. guide the principles of serving the stars Ma Long, Fan Zhendong, Ovtcharov ... guide the application of technology to competition. Make a technical contribution to the world table tennis community. Learn more at the Website: https://www.tilongclub.com Or Facebook: https://www.facebook.com/tilong.bongban.9 ☎️ +84909 423 006 (Ti Long)