Roger Federer condemned Novak Djokovic to a rare defeat at the ATP World Tour Finals. The Swiss star beat the world number one 7-5 6-2 last night, to book his place in the semi-finals. Djokovic can still qualify for the last four with victory in his final round-robin game against Tomas Berdych, who lost to Kei Nishikori 7-5 3-6 6-3 in yesterday’s other game. Tonight’s action sees world number two, Andy Murray, face 14-time Grand Slam winner, Rafael Nadal (18:00 UAE time), whilst Stanislas Wawrinka takes on David Ferrer (midnight).

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