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France's Lucas Pouille (R) holds his trophy after defeating Austria's Dominic Thiem (L) during the ATP Moselle Open finals tennis match on September 25, 2016 in Metz, eastern France. / AFP / FREDERICK FLORIN (Photo credit should read FREDERICK FLORIN/AFP/Getty Images)

France's Lucas Pouille (R) holds his trophy after defeating Austria's Dominic Thiem (L) during the ATP Moselle Open finals tennis match on September 25, 2016 in Metz, eastern France.  / AFP / FREDERICK FLORIN        (Photo credit should read FREDERICK FLORIN/AFP/Getty Images)