Grigor Dimitrov became the first debutant to win the season-ending ATP Finals for 19 years after defeating David Goffin 7-5 4-6 6-3 in Sunday's final at London's O2.
Grigor Dimitrov became the first debutant to win the season-ending ATP Finals for 19 years after defeating David Goffin 7-5 4-6 6-3 in Sunday's final at London's O2.