Learner his name 💪 The 19 year old SoCal native is taking the Australian Open by storm, becoming the youngest man to reach the sweet 16 of the Australian open since Rafa in 2005! 📸: ATP Tour #AO2025 #AustralianOpen #USTASoCal #SoCalTennis #LearnerTien #RafaelNadal #RafaNadal #Rafa