Andy Murray beats Tomas Berdych in ATP World Tour opener

US Open champion Andy Murray battled his way to an edgy opening win against Tomas Berdych at the ATP World Tour Finals in London.

Murray began the round-robin stage with a 3-6 6-3 6-4 victory at the O2 Arena. The top two players from each group progress to the semi-finals of the season-ending championships.

After the match, Murray discusses how nice it is to be back on home soil and reveals where his US Open trophy is.

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