Argentina's Leonardo Mayer celebrates after making a point against Spain's David Ferrer during his final match at the tennis tournament in Hamburg, Germany, Sunday, July 20, 2014. Mayer defeated top seeded Ferrer with 6-7, 6-1 and 7-6. (AP Photo/dpa, Daniel Reinhardt)

Germany Tennis Hamburg

Argentina's Leonardo Mayer celebrates after making a point against Spain's David Ferrer during his final match at the tennis tournament in Hamburg, Germany, Sunday, July 20, 2014. Mayer defeated top seeded Ferrer with 6-7, 6-1 and 7-6. (AP Photo/dpa, Daniel Reinhardt)

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