Dropped the hammer with a perfectly placed drop shot 😮‍💨 For the second straight year, Irvine’s Learner Tien is marching into the fourth round of the Australian Open, outlasting Borges in a thriller 7-6(9) before pulling away 6-4, 6-2. SoCal doing SoCal things on the world stage 🌍 📸: Australian Open #TeamSoCal #LearnerTien #AustralianOpen #USTASoCal