Main draw action kicks off today at the @australianopen and all of our #USTennis stars like @jenny_brady7 and @mackiemacster are putting in the work as they aim for big runs. Leave a 🇺🇸 to wish all of them good luck! 📽: @teamusatennis #usta #jenniferbrady #mackenziemcdonald #tennistraining #tennisdrills #australianopen #tennis #protennis #instatennis #instasports