Nineteen-year-old Learner Tien has been one of the breakout stars of the Australian Open 2025. The young American came through the qualifying rounds to book his place in the main draw.
Teenage qualifier Learner Tien on Saturday became the youngest man to reach the Australian Open 2025 fourth round since Rafael Nadal in 2005 when he overcame injured Frenchman Corentin Moutet.