ATP World Tour Finals: Five great shots as Federer beats Nishikori

Watch five of the best shots from Roger Federer's 6-3 6-2 victory over Japan's Kei Nishikori at the ATP World Tour Finals in London.

The Swiss, who won in 67 minutes in his 13th appearance at the season finale, is closing in on a place in the semi-finals.

Nishikori is still in with a chance of reaching the last four after his victory over Andy Murray on Sunday.

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