Andy Murray followed one of the greatest days in British Olympic history with one of the best performances British tennis has ever seen as he crushed Roger Federer to win London 2012 gold.

Murray exacted the sweetest revenge possible for his Wimbledon final loss by inflicting Federer's heaviest ever defeat at the All England Club and winning his country's first men's singles title since 1908.

The 6-2 6-1 6-4 victory margin was scarcely believable against the man who stopped him becoming the country's first men's Wimbledon singles champion for 76 years just 28 days ago, who was desperate to enhance his claim to be the greatest player of all time by clinching a career golden slam.

Murray had little time to celebrate the win as he prepared to go for another gold in the mixed doubles.

Meanwhile, Argentina's Juan Martin Del Potro won the bronze medal in the men's singles after upsetting second seed Novak Djokovic 7-5 6-4 on Court One.

Del Potro lost a marathon semi-final encounter to Federer on Friday and left the court in tears, but he roused himself physically and mentally to earn his place on the podium.

Djokovic, beaten by Murray in the last four, was the bronze medallist in Beijing four years ago but he ceded first blood when his serve was broken in the 11th game.

He had two chances to break back and force a tie-break but Del Potro held on, and the Argentinian broke again to lead 2-1 in the second set. Djokovic tried to respond but there was no way back and for the Serb there was only the agony of finishing fourth.