The heat scare is firmly in the past. After surviving a physically draining third-round match affected by extreme temperatures, Jannik Sinner returned to the court looking fully restored and in complete control. The world No. 2 delivered a commanding performance to defeat fellow Italian Luciano Darderi 6–1, 6–3, 7–6(2), securing his place in the quarterfinals of the Australian Open.
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It was the first meeting between the two compatriots, and Darderi—currently ranked No. 25—quickly discovered the relentless pace and consistency that define Sinner’s game. Despite a promising opening game in which Darderi earned two early break points, the momentum shifted almost immediately. Sinner held serve, settled into his rhythm, and raced through the opening set in just 27 minutes.
Any hopes of a response were short-lived. Frustration began to show from Darderi early in the second set, earning him a warning after a visible outburst. But whether calm or emotional, nothing seemed to disrupt Sinner’s authority. He dominated from the baseline, served efficiently, and punished his opponent’s second serve with precision.
Darderi showed resilience in the third set, briefly threatening to extend the match when he created additional break opportunities late on. Playing with more freedom, he took risks with his forehand and pushed Sinner into a tiebreak. Even there, the defending champion raised his level once more, closing out the match in two hours and nine minutes without conceding a set.
Physical endurance remains one of the few occasional vulnerabilities in Sinner’s otherwise complete game, particularly under Australia’s demanding summer conditions. History shows, however, that even champions have faced similar struggles. Rafael Nadal famously battled dehydration issues during the 2022 tournament before going on to lift the trophy. For Sinner, any lingering concerns disappeared quickly, a fact reflected not only in his performance but also in his demeanor off the court.
Earlier this week, the Italian shared a behind-the-scenes video on his YouTube channel, offering fans a glimpse into his daily routine in Melbourne—from ice baths and training sessions to recovery work, gaming, and evening walks. Often described as reserved compared to more expressive rivals, Sinner has recently made an effort to show a more personal side, embracing a closer connection with the public.
Now chasing a third consecutive Australian Open title, Sinner continues to demonstrate a level of consistency that currently separates him from almost the rest of the field—particularly in Grand Slam events, where matches are played over five sets. His definitive breakthrough came at the end of 2023, marked by landmark victories over Novak Djokovic and a decisive role in Italy’s Davis Cup triumph.
Since then, Sinner has largely established himself as the man to beat on the biggest stages. Aside from Carlos Alcaraz, few players have managed to seriously challenge him at the majors. As the tournament enters its decisive phase, Sinner’s form suggests that Melbourne remains very much his territory.