The 2018 season hasn’t started yet, but our #USTennis stars like Asia Muhammad are already Down Under and putting in hours on the practice court! Send Asia and all our other top Americans a 🎾 if you’ll be cheering them on! (📽: @asia.muhammad) #usta #ustennis #asiamuhammad #brisbane #wta #tennis #protennis #instatennis #instasports