What a run for @mertenselise! The unseeded Belgian upsets No. 4 seed Svitolina 6-4, 6-0 in the Australian Open QFs. Give her a 🙌🏼 for reaching her first Grand Slam semifinal without dropping a set! 📸: #USOpen #elisemertens #melbourne #wta #grandslam #melbourne #tennis #protennis #instatennis #instasports