on the slice backhand baby lead with the bottom edge of the racquet and leave that angle though out the shot driving out on the finish

for serve balance keep your tossing hand up for a beat and sight the toss through that hand–great match for 5 hours so close 2 match points for the Fed

on your Yank shot you still want to rotate as much as you can– get he back hip forward

the incline up follow through elbow is higher than the shoulder

Kei has on this shot a level finish– still kissing the shoulder