Tsonga in tune

Roger Federer will play Jo-Wilfried Tsonga in the final of the Barclays ATP World Tour Finals tomorrow after the Frenchman defeated Tomas Berdych 6-3 7-5 at the O2 Arena tonight.

Earlier, defending champion Federer had seen off David Ferrer 7-5 6-3 to move into his 100th career final and to within one win of a record sixth title at the tournament.