Tue Sep 5, 2017 06:29AM
Juan Martin Del Potro.
Juan Martin Del Potro.
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Juan Martin Del Potro produced a stunning comeback against Austrian Dominic Thiem on Monday (September 4) to reach the US Open quarter-finals in New York where he will meet Swiss Roger Federer, who beat Germany's Philipp Kohlschreiber in straight sets.

The Argentine 24th seed, who lifted the trophy in New York in 2009 against Federer, came from 2 sets down to beat Thiem 1-6 2-6 6-1 7-6(1) 6-4 win on Grandstand court.

De Potro, whose career has been plagued by multiple injuries, called for the doctor twice during the opening set and looked to be on his way out at 2-0 down, but a break early in the third set gave him the extra confidence he needed to believe in his chances.

After winning the fourth set tiebreak with a blistering crosscourt forehand, the Argentine wrapped up victory when Thiem double-faulted on match point after three hours, 37 minutes of play.

Federer crushed Kohlschreiber 6-4 6-2 7-5 in just one hour, 49 minutes without facing a break point.