Novak Djokovic completes one of the best season with fifth World Tour Finals title”It’s been a long season, but the best of my life”

Federer then held from 0-40 down to keep a tight second set on serve at 4-4, but netted to give Djokovic two match points on his next service game. Djokovic took the second on a Federer double fault, which was unsuccessfully challenged, to wrap up victory in 80 minutes. Post-Match Interview on