Andy Murray is through to the second round at Melbourne after upsetting 13th seed Matteo Berrettini in five sets.
The game, which lasted almost five hours on the Rod Laver Arena, saw the fifth set dragged into a tie-break in which Murray won 9-6.
Murray, a former world No.1 ranked player, won the first two sets 6-3 6-3 before Berrettini came storming back to take sets three and four 6-4 7-6. The fourth was on a knife edge but Berrettini remained composed and won a third set point at 8-7 to force a decider after three and a half hours.
