Two-time Defending Champion Jannik Sinner stepped onto Margaret Court Arena today to face fellow Italian Luciano Darderi in the fourth round of the Australian Open. The 24-year-old made a notable adjustment to his competitive gear ahead of the match, due to which he suffered in his last match against American Eliot Spizzirri.
This major change by Sinner shows the significance of player gear under the harsh Melbourne conditions as the Italian pursues a third consecutive title.
Jannik Sinner Changes Gear Ahead of the Fourth Round Match
Sinner has made a strategic adjustment for his fourth-round match with Luciano Darderi, switching his cap and socks from black to white to minimize heat absorption during the match. This small decision carries significant implications for his physical endurance, as the color of the gear directly impacts the solar radiation absorbed by his body.
Since black fabrics absorb significantly more heat than white ones, this change could benefit the Italian as he looks to lift a third consecutive trophy in Melbourne.
Thank god lesson is finally learnt – this time WHITE hat, WHITE socks, white shorts.
It was about the time Jannik. Small stuff but make important difference. FORZAAAA CHAMPION 👊🏼👊🏼👊🏼💪🏼💪🏼💪🏼🦊🎾👑🏆😍🙏🏼 pic.twitter.com/7E2ZdndIkJ
— SinGoat 🦊🎾🐐 (@SinGoat265557) January 26, 2026
Conditions at Margaret Court Arena today are expected to test player stamina considerably. The Australian Open’s Heat Stress Scale was reading 4.5 before the match, indicating hot conditions but not enough to trigger roof closures. With temperatures reaching mid-30s, Sinner’s decision to wear white gear represents a tactical decision to gain any edge possible in his match.

>>>Credit: @benrothenberg / X
World No. 25 Darderi is currently playing his first Grand Slam fourth-round match after defeating 15th seed Karen Khachanov in a dominating performance on Saturday. The Italian showed impressive form since the beginning, having defeated Cristian Garín and Sebastian Báez to reach this milestone.
Sinner’s Third Round Nightmare Against Eliot Spizzirri
Sinner’s decision to switch to white gear roots from his match against American Spizzirri in the third round on Saturday afternoon. The defending champion faced severe physical challenges that nearly cost him the match under Rod Laver Arena’s harsh conditions.
World No. 85 Spizzirri, competing in his first Australian Open main draw appearance, was on the way to upsetting the tournament favorite, capturing the first set 6-4.
Sinner experienced severe cramping throughout both his legs as the situation deteriorated as the match progressed into the afternoon heat. Sinner’s physical condition declined dramatically as the temperatures reached 40° C. When Spizzirri broke serve to establish a commanding 3-1 lead in the third set, the Italian’s campaign appeared in jeopardy.
However, the Australian Open’s extreme heat protocols intervened at the right moment. When the Heat Stress Scale reached 5.0, officials suspended the match, closed the roof, and activated air conditioning within the stadium.
Following the crucial 10-minute cooling break, Sinner emerged reborn, ultimately winning the third set 6-4. Despite Spizzirri’s challenge in the fourth set, Sinner fought back to secure the match 4-6, 6-3, 6-4, 6-4 after nearly four hours of grueling play.
