Novak Djokovic, at age 38, made history by becoming the oldest man to reach the quarter-finals at all four Grand Slam tournaments in a single season after defeating Jan-Lennard Struff 6-3, 6-3, 6-2 in the fourth round of the US Open. This victory marks his 64th Grand Slam quarter-final, extending his all-time record and keeping his pursuit of a 25th major title alive. Djokovic dominated the match, breaking Struff's serve six times, and was near untouchable on serve with 12 aces and winning 79% of first-serve points. Despite some physical treatment during the match for his shoulder and forearm, Djokovic’s performance was strong, and he expressed appreciation for each victory, emphasizing the importance of serving well. His next opponent will be American Taylor Fritz, against whom he holds a 10-0 head-to-head record. Djokovic’s win continues his impressive season, with 30 tour-level wins, and highlights his resilience and skill at the age of 38.