London: Novak Djokovic defeated Matteo Berrettini at the ATP Finals on Sunday as he began his quest to reclaim the number one ranking.
Novak Djokovic eased to a 6-2, 6-1 victory against Matteo in his ATP Finals opener. Novak Djokovic saw off the challenge of Matteo Berrettini in just 64 minutes, converting five of seven breakpoints and out-serving his 23-year-old opponent.
The Serbian, a five-time champion at the end-of-season event, was last week nudged off the top spot in the rankings by Rafael Nadal, who is also in the eight-man field in London.
The 32-year-old Djokovic began the match 640 points behind Rafael Nadal in the race to end the year on top of the rankings, but victory chipped that advantage down to 440.
Federer, Nadal and Djokovic were the top three seeds when they first competed together at the tournament way back in 2007 and are still the men to beat 12 years later.
Berrettini became the first Italian to play in the season-ending showpiece since 1978 but was given a harsh lesson by the 16-time Grand Slam champion at the O2 Arena.