RIO DE JANEIRO -- Andy Murray of Britain beat Juan Martin del Potro of Argentina for his second consecutive Olympic singles gold medal.
Murray's 7-5, 4-6, 6-2, 7-5 victory Sunday at the Rio Games makes him the first man or woman with two Olympic singles titles, let alone two in a row.
At London in 2012, Murray won a singles gold and mixed doubles silver.
The second-seeded Murray stretched his winning streak to a career-high 18 matches and stopped the resurgent run of the 141st-ranked del Potro, who knocked off No. 1 Novak Djokovic in the first round and No. 3 Rafael Nadal in the semifinals.
Del Potro's silver goes alongside his bronze from four years ago.
Kei Nishikori defeated Nadal for the bronze earlier Sunday.
Andy Murray defends gold, beats Juan Martin Del Potro in Rio final
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