Tennis-Berrettini sinks Karatsev to win Serbia Open

FILE PHOTO: Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 15, 2021 Italy's Matteo Berrettini on court after withdrawing from his fourth round match against Greece's Stefanos Tsitsipas REUTERS/Kelly Defina

BELGRADE (Reuters) - Italian Matteo Berrettini won the Serbia Open after beating Russia's Aslan Karatsev 6-1 3-6 7-6(0) in the final at Novak Djokovc's claycourt tennis centre in downtown Belgrade by the Danube river on Sunday.

Berrettini blew away Karatsev in the third set tiebreak 7-0 as the Russian showed signs of fatigue in the opening set and the tiebreaker after a gruelling three-and-a-half hour win over world number one Djokovic in Saturday's semi-final.