ATP World Tour Finals - Day 4
Saturday 9 November 2013 05:24, UK
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Image: Olivier Giroud playing aruond in the crowd at t he O2, tennis coach Brad Gilbert (L) seems unimpressed -
Image: Heather Watson watches the action at the ATP World Tour Finals at O2 Arena -
Image: Bob and Mike (R) Bryan celebrate yet another victory in the doubles -
Image: Novak Djokovic walks out for his men's singles match against Juan Martin Del Potro -
Image: Novak Djokovic wins the first set but is pegged back in the second -
Image: Del Potro takes it into a decider with some big hitting forehands -
Image: But it's Djokovic who takes the win and a place in the semi-finals -
Image: Roger Federer gets some close attention from a cameraman during his match with Richard Gasquet -
Image: Federer puts the pressure on the Frenchman as he looks to bounce back from an opening defeat -
Image: Gasquet just cannot get to grips with Federer -
Image: And Federer takes it to keep his chances of making the last four alive -
Image: Fans following Federer but also British fans lending support to the injured Andy Murray
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