Andy Murray strikes a satisfied figure after beating US Open champion Juan Martin del Potro in the opening singles match of the ATP World Tour Finals at London's O2 Arena.
Live on BBC Two, 28/29 November, 1430 GMT; every match live on BBC Radio 5 live/5 live sports extra; live text commentaries on BBC Sport website.
Bookmark with:
What are these?
E-mail this to a friend