Meet Learner Tien: The 19-year-old American faced Novak Djokovic in the U.S. Open first round

Nineteen-year-old Learner Tien, with Vietnamese immigrant roots, faced Novak Djokovic at the U.S. Open, marking a significant milestone. Tien, who turned professional in 2023, had a breakthrough at the 2025 Australian Open. Despite losing to Djokovic, the match provided invaluable experience for the rising tennis star, highlighting his potential and resilience on the Grand Slam stage.