Novak Djokovic delivered a lesson in Grand Slam tenacity to Learner Tien in the first round of the U.S. Open on Sunday as he battled past the American teenager 6-1 7-6(3) 6-2 and launched his latest quest for a record 25th major title.

Novak Djokovic, aiming for his 25th Grand Slam title, overcame American teenager Learner Tien in the US Open first round despite a foot blister requiring a medical timeout. The Serbian secured a 6-1,

Novak Djokovic begins his US Open 2025 campaign vs rising star Learner Tien. While Djokovic is favored, Tien’s fearless play and big wins make this first-round clash one to watch closely.