@mackiemacster makes sure his first trip to Asia is a memorable one by defeating J. Thompson 1-6, 6-4, 6-1 to win the $100K Challenger in Seoul! Give this rising #USTennis star a 🏆 for his second Challenger title! 📸: @mackiemacster _ #usta #ustennis #mackenziemcdonald #atpchallenger #seoul #tennis #protennis #instatennis #instasports