Botic claimed the first-ever top-five win of his career, extending Casper's disappointing 2022 season. He rallied from brink of a double break in the final set and defeated the 2022 Miami Open runners-up by 3-6, 6-4, 6-4
In a 6-7(7), 6-4, 6-2 victory at the Abierto Mexicano Telcel, the Danish player won eight of the final 10 games to close out a match that hung on a knife edge until late.
World No 2 Casper Ruud made a perfect start to his Australian Open campaign, defeating Czech Tomas Machac 6-3, 7-6(6), 6-7(5), 6-3 to reach the second round in Melbourne with his eyes set at the top spot in the ATP rankings on Tuesday.
Berrettini got the better of World No 3 in a much-anticipated match, winning it 6-4, 6-4 in straight sets to seal Italy's victory over Norway and take a commanding 3-0 lead. The Italian team will face either Poland or Switzerland in the City Finals on Wednesday.
Norway started Sunday's United Cup match against Brazil trailing 2-0. Despite World No 3 Casper Ruud keeping Norway's hopes alive, the country was unable to fight its way back.
The Serbian's high-quality return game proved to be a huge difference between both players. He carved out all five break-point opportunities in the match. Ruud also hit strongly, but the 'Big Match Djokovic' was too good for him in this 93-minute battle for the title