Djokovic did not drop a beat throughout the match and claimed a clinical win despite a spirited effort from the World No. 75 Carballes Baena. The fourth seed sealed the win in two-hour, and two minutes converting five of nine break points to book a second-round meeting with the winner of the
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.
Murray needed four hours and 49 minutes to complete the landmark triumph, winning 6-3, 6-3, 4-6, 6-7(7), and 7-6(10-6) to earn his first Top 20 win at a Grand Slam in more than five years.
With a 6-3, 6-3, 4-6, 6-7(7), 7-6(10-5) stunning triumph, Murray moved into the next round defeating resilient Berrettini in a match that lasted for four hours, 49 minutes to secure the statement result in Rod Laver Arena.
The Spaniard delivered in the crucial moments to secure a 7-5, 2-6, 6-4, 6-1 victory against 21-year-old debutante Jack Draper to reach the second round for the 17th time.