Argentina's Juan Martin del Potro celebrates winning the third set against Spain's Rafael Nadal during their men's singles quarter-finals match on the ninth day of the 2018 Wimbledon Championships at The All England Lawn Tennis Club in Wimbledon, southwest London, on July 11. One Wednesday morning, Rogers Cup officials announced del Potro’s withdrawal from the tournament due to a left wrist injury. (GLYN KIRK / AFP/GETTY IMAGES)
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Third seed Juan Martin del Potro was forced to withdraw prior to his opening match at the Toronto Masters on Wednesday due to a left wrist injury.

The Argentine, who looked to be in good form after reaching the final last week in Los Cabos, was replaced in the draw by Russian veteran Mikhail Youzhny.

Del Potro had a bye into the second round and was scheduled to face Dutchman Robin Haase.

The 29-year-old former US Open champion has struggled with a series of wrist injuries and was almost forced into an early retirement from the sport in 2016.

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