kbjessm's channel

federer forehand,slice, volley

wawrinka backhand,

robin sodering serve,

just kidding :)

they are exercising tennis serve. there's some problem in their serve mechanic in my point of view. i want they'll be a very good player in the fut...

I didn't play tennis so long time and thesedays i hardly play tennis so when i take this one it's so hard to control and remember the form and sense

for test poor form

so cold that day i can't hold grip well