Australian Open Men Singles

Andy Murray of Britain reacts after defeating Matteo Berrettini of Italy in their first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 17, 2023. (AP Photo/Aaron Favila)

Andy Murray, right, of Britain is congratulated by Matteo Berrettini of Italy following their first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 17, 2023. (AP Photo/Aaron Favila)

Matteo Berrettini of Italy reacts during his first round match against Andy Murray of Britain at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 17, 2023. (AP Photo/Aaron Favila)