World No. 97 @tsandgren7 is enjoying the ride of his life at the AO, taking out Marterer 5-7, 6-3, 7-5, 7-6 to reach the fourth round! Give him a 🙌🏼 for the best result of his career! #usta #ustennis #tennyssandgren #melbourne #atp #tennis #protennis #instatennis #instasports #instawow