,[object Object],, the four-time ,[object Object], champion, returned to Flushing Meadows on Sunday night for his 2025 ,US Open, campaign, overcoming physical struggles to secure a win over American teenager Learner Tien. The 38-year-old Serbian started his match impressively, taking the first set 6-1 in just 20 minutes, looking in fine form initially. However, Djokovic’s physical condition deteriorated significantly during the second set, which extended well beyond an hour. He experienced difficulties with his footwork, balance, and stamina, which visibly affected his game. Despite these challenges, Djokovic showed mental resilience and fighting spirit to push through the tough moments and edge the second set in a tiebreak 7-6(3) before closing out the match with a 6-2 third set victory at ,[object Object], .

Djokovic’s physical struggles were evident as he battled to keep up his level against the confident young American. He made a high number of unforced errors, particularly in the second set, tallying 20 alone during that period, which allowed Tien opportunities to mount pressure. Djokovic also received treatment for a blister on his right big toe and had to frequently catch his breath between points. The second set was a significant test, with long rallies and demanding exchanges pushing Djokovic's physical limits. However, the Serbian’s experience and tactical adjustments helped him regain control, especially after narrowly escaping a set point on his serve. His ability to reset mentally after a challenging second set proved crucial in securing the win to keep his hopes alive in the tournament .

This match was Djokovic’s first singles outing since his Wimbledon semi-final loss to Jannik Sinner six weeks earlier, where he had also endured physical difficulties, including an upper left leg injury. Despite the weariness and pain, Djokovic demonstrated determination not to let the moment slip away, emphasizing the positives from the match while acknowledging the areas for improvement. After the match, he was candid about the odd sensations he felt physically during the second set, which affected his recovery between points and overall court movement. Nevertheless, he remains optimistic about gaining better physical form in the coming rounds as he looks ahead to his second-round match against American Zachary Svajda, hoping that the two days of rest before that encounter will aid his recovery .

Djokovic’s victory marked a continuation of his remarkable consistency in Grand Slam first rounds, improving his record to 19-0 at the ,US Open, opening matches, and extending his streak to 75 consecutive first-round wins at majors in the professional era. The 24-time Grand Slam champion is aiming to add a 25th major title to his collection, despite the physical challenges he currently faces. Observers noted that while Djokovic looked tired and occasionally vulnerable against Tien, his vast experience, mental toughness, and ability to survive tough situations remain evident. As the tournament progresses, Djokovic’s fitness and form will be key questions, but on this night, he found a way to survive and advance at the ,US Open, .