Olympics – Tennis: Andy Murray is guaranteed at least a silver medal at the Rio Games after beating Japanese fourth seed Kei Nishikori in the semi-finals.

The 29-year-old Scot won 6-1 6-4 and will play Juan Martin del Potro of Argentina in his bid to become the first player to win two Olympic singles titles.

Del Potro defeated Rafael Nadal in a gripping tie that went to a final set tie-break.

“It’s obviously not an easy thing to do, that’s why it’s never been done before,” Murray said about the prospect of another gold medal.

“I’m going to give my best effort and I’m happy I’m guaranteed the medal, but the goal is obviously the gold medal and give it my best effort to win another one”.

Del Potro defeated the Spanish number one in three hours and eight minutes and will play Murray in tomorrow’s final.

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