Federer stunned after loss

Roger Federer feels he should have beaten Novak Djokovic after letting slip a two-set lead against the Serbian world number one in the US Open semi-final.

Djokovic produced a fantastic fightback to win 6-7 (7-9) 4-6 6-3 6-2 7-5 and despite his disappointment, Federer states there is "no more" he could have done, adding he will "accept that and move on".

Federer is the only man to beat Djokovic in a Grand Slam tournament in 2011, having broken the Serb's winning streak in the semi-final of the French Open in June.

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