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ATP World Tour Finals 2013: Federer is back for the twelfth time in a row (Updated)
He is not in the highest ranking, he is not the most probable winner but Roger Federer is there for the twelfth time in a row, a feat only paired by Ivan Lendl. There is though one former player that qualified more than 12 times for the now called ATP World Tour Finals: Andre Agassi with 14...