Juan Martin del Potro won't be making his grass-court return at Queen's Club.
The 2009 US Open champion announced his withdrawal from the Wimbledon tune-up tournament due to the groin injury he sustained during Roland Garros.
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Del Potro's withdrawal from Queen's Club comes after he pulled out of 's-Hertogenbosch.
Last June, del Potro toppled Stan Wawrinka in the Wimbledon second round before bowing to Lucas Pouille in the third round.
Photo credit: Millennium Estoril Open