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Switzerland's Roger Federer (L) pose with his trophy next to Romania's Marius Copil after their final match at the Swiss Indoors ATP 500 tennis tournament on October 28, 2018 in Basel. (Photo by Fabrice COFFRINI / AFP) (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)

Switzerland's Roger Federer (L) pose with his trophy next to Romania's Marius Copil after their final match at the Swiss Indoors ATP 500 tennis tournament on October 28, 2018 in Basel. (Photo by Fabrice COFFRINI / AFP)        (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)