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Juan Martin Del Potro
John Isner

Juan Martin Del Potro
John Isner

Watch this first semi-final replay from the Miami Open as Juan Martin del Potro took on American John Isner for a place in the final at Crandon Park. Del Potro, on a 15-match winning streak, was looking to reach his third straight final while Isner was seeking a spot in his fourth ATP World Tour Masters 1000 final.