ATP World Tour Finals: Juan Martin del Potro keeps SF fight alive

By Ashley Williams

LONDON, England (TheSportsNEXT) November 9, 2012: World number seven Juan Martin del Potro of Argentine kept the ATP World Tour Finals Semi-Finals fight alive on Thursday when he defeated world number nine Janko Tipsarevic of Serbia by 6-0 6-4 in 71 minutes at The O2 Arena in London.

ATP World Tour Finals: Roger Federer cruises into semis

By Ashley Williams

LONDON, England (TheSportsNEXT) November 8, 2012: World number two Roger Federer of Switzerland stormed his way into semi-finals of the season-ending ATP World Tour Finals with a straight-set victory by 6-4 7-6 (7-5) over world number five David Ferrer of Spain at The O2 Arena in London on Thursday.