Juan Martin del Potro overcame an early injury scare before claiming a straight sets victory over David Ferrer in their Wimbledon quarter-final today.
The eighth seed will now meet world number one Novak Djokovic for a place in Sunday's final, but after just five points of his match with Ferrer it seemed uncertain that the Argentine would be able to continue in the tournament.
Del Potro suffered a nasty fall in the first game and received medical treatment to his already injured left knee, although he seemed unfazed as he continued to hit big from the baseline, storming to a 6-2 first set lead.
Ferrer was out of sorts in the second, allowing the former US Open champion to claim a late break before he served it out 6-4.
The fourth seed, Ferrer, has never reached the semi-finals of Wimbledon before, and was back to his determined self in the third as he looked to keep his tournament hopes alive.
Both continued to hold their serve and it went to a tie-breaker, with Del Potro snatching it 7-5 to take the third set to cement his place in Friday's semi-finals.
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