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France's Adrian Mannarino (L) returns the ball to Germany's Matthias Bachinger during their ATP Stockholm Open tennis tournament match on October 17, 2014 in Stockholm. AFP PHOTO / JONATHAN NACKSTRAND (Photo credit should read JONATHAN NACKSTRAND/AFP/Getty Images)

France's Adrian Mannarino (L) returns the ball to Germany's Matthias Bachinger during their ATP Stockholm Open tennis tournament match on October 17, 2014 in Stockholm. AFP PHOTO / JONATHAN NACKSTRAND        (Photo credit should read JONATHAN NACKSTRAND/AFP/Getty Images)