Federer through. Del Potro keeps hope alive

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Updated: November 9, 2012

Defending champion Roger Federer guaranteed his place in the last four of the ATP World Tour Finals with a win over David Ferrer on Thursday while Janko Tipsarevic became the first player eliminated after a second defeat.

Federer, seeking a record-extending 7th title at the end of season showpiece, dished out yet more punishment to Ferrer in a 6-4 7-6 victory at the O2, taking his career record over the Spaniard to 14-0.

Ferrer is now up against Juan Martin del Potro for the other semifinal spot from Group B after the towering Argentine pummelled Serbia’s Tipsarevic 6-0 6-4.

Group A will be decided today when world No 1 Novak Djokovic plays Tomas Berdych and Andy Murray takes on winless Jo-Wilfried Tsonga.