Djokovic, 38, beat Tien, 6-1, 7-6, 6-2 to improve to 19-0 in US Open first-round matches, tying Roger Federer for first all-time. But he labored with low energy, a nasty blister on his right big toe and Tien’s level, especially in the second set.

Andrew Castle feels Novak Djokovic's Grand Slam-winning days may be over, with Carlos Alcaraz and Jannik Sinner emerging as dominant forces. The Serb, stuck on 24 majors since the 2023 US Open, faces doubts about adding a 25th title amid younger rivals' rise.

Former world No. 1 Mats Wilander believes Novak Djokovic may need “a little help” from to overcome Jannik Sinner and Carlos Alcaraz at the US Open 2025. The Serbian legend is chasing his 25th Grand Slam.