Britain's Jamie Murray and Brazilian partner Bruno Soares face Juan-Sebastian Cabal and Robert Farah in the doubles at the ATP Finals - listen live.
Kevin Anderson is in a strong position to qualify for the last four at the ATP Finals after thrashing Kei Nishikori 6-0 6-1.
BBC Sport commentators Andrew Castle and Tim Henman give their verdict after Kei Nishikori is thrashed 6-0 6-1 by Kevin Anderson at the ATP Finals.
Watch the five best shots from Kei Nishikori's 'embarrassing' 6-0 6-1 defeat by Kevin Anderson in the ATP Finals at the O2 Arena in London.
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World number three Caroline Wozniacki speaks out about being diagnosed with rheumatoid arthritis, but says she does not want it to "hinder" her.
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