Juan Martin del Potro of Argentina celebrates after defeating Roger Federer of Switzerland in the US Open quarter-finals. Photo: EPA

‘I deserved to beat Federer’, says ‘lion’ Juan Martin Del Potro as he moves into US Open semi-finals

Argentine beats Swiss in four sets to pull of Flushing Meadows shock and now faces Rafa Nadal

Topic |   US Open (tennis)

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Juan Martin del Potro of Argentina celebrates after defeating Roger Federer of Switzerland in the US Open quarter-finals. Photo: EPA
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