While Louis Armstrong Stadium was losing its mind, the 20-year-old Irvine native was doing what he does best: thinking. Learner Tien’s tennis IQ was on full display in his latest US Open victory, from saving three break points at 3-3 in the fifth to closing out his first trip to the second week in New York. Read the story behind his latest breakthrough on our website. (🔗Link in bio) 📸: Ben Solomon/USTA | Shea Kastriner/USTA #LearnerTien #USTASoCal #SoCalTennis #TeamSoCal #USOpen