Learner Tien’s SHOCKING Win vs. Rublev: Expert Breakdown of His 4th Top-10 Victory in 2025
19-Year-Old Learner Tien Stuns Rublev for Fourth Top-10 Win of 2025! In a thrilling display of skill and composure, 19-year-old American sensation Learner Tien pulled off another massive upset, defeating world No. 6 Andrey Rublev in straight sets (6-4, 7-5) at the Miami Open. This marks Tien’s fourth Top-10 victory in 2025, solidifying his status as one of the most exciting young talents in tennis.