Grigor Dimitrov claimed the biggest title of his career at the season-ending ATP Finals on Sunday, prevailing on his fifth match point to beat David Goffin of Belgium 7-5, 4-6, 6-3.
The sixth-seeded Bulgarian won in 2 hours 30 minutes 15 seconds for the longest best-of-three sets final in the tournament's history. It was more than 11 minutes longer than Roger Federer took to beat Jo-Wilfried Tsonga in 2011.
Dimitrov won all five of his matches at the O2 Arena to become the first player to win the elite season-ending tournament on debut since 1998, when Alex Corretja of Spain triumphed in Hanover.
Goffin saved three match points on his own serve, but Dimitrov kept his...