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

Nineteen-year-old Learner Tien, a rising tennis star from a Vietnamese immigrant family, is set to face Novak Djokovic at the U.S. Open. Tien, currently ranked 48th, turned professional in 2023 and reached the fourth round of the 2025 Australian Open. His parents took a measured approach to his tennis development, allowing him to discover the sport naturally.