Juan Martin del Potro sets up Wimbledon clash with Rafael Nadal

Juan Martin del Potro powered through to only his second Wimbledon quarter-final after beating Gilles Simon.

Del Potro, whose best run at the All England Club saw him reach the semi-finals in 2013, triumphed 7-6 (7/1) 7-6 (7/5) 5-7 7-6 (7/5) to set up a last-eight meeting with Rafael Nadal.