Jannik Sinner defeated Marcos Giron 6–3, 6–4, 6–2 in the second round of the Australian Open on hard court, confirming his status as the overwhelming pre-match favourite with odds of 1.02 to Giron's 32.69. The Italian top seed controlled the match throughout, dropping only eight games across three sets against the American qualifier. Sinner's dominance on the opening fortnight's primary surface underscored his credentials as a title contender, whilst Giron's early exit reflected the gulf in class between seeding tiers at a Grand Slam. The result maintains Sinner's unbeaten record at Melbourne Park this year and sets up a third-round encounter against a higher-ranked opponent.