Federer Tsonga Re-match!!!!!!!

Jo-Wilfried Tsonga leaned to his left, dug out a deft backhand half volley winner that dripped  over the net like a splotch of yellow paint dabbing a blue canvas. That eye-popping shot gave Tsonga match point and prompted his father, Didier, to spring from his seat and rock side-to-side with such fervor he nearly shook the scarf off his neck in celebration.
Tsonga combined some ballistic serving with brush-stroke brilliant shot making to sweep Tomas Berdych, 6-3, 7-5, and reach the ATP World Tour Finals title match for the first time.
Delivering the dazzle before a festive Saturday night London crowd, Tsonga set up a Sunday showdown with five-time champion Roger Federer, a 7-5, 6-3 victor over David Ferrer. It marks the third straight Sunday Federer will face Tsonga with the Swiss prevailing in the Paris Masters final two weeks ago before beating the Frenchman 6-2, 2-6, 6-4, in last Sunday's round-robin match.
Nearly untouchable on first serve today, Tsonga won 27 of 30 points played on his first delivery, swatted seven aces and surrendered serve just once in the 93-minute semifinal.
Group A winner Berdych tried to target the Tsonga backhand and earned double break point in the fifth game.  Tsonga slid a serve into the corner to save the first, erased the second with a forcing forehand and used successive errors from Berdych to hold for 3-2.