With three 🇺🇸 Grand Slam girls’ singles champions in 2017 and three all-American finals, it’s been quite the year for our young #USTennis stars. Send them some ❤️ and wish them a healthy and successful 2018! #usta #amandaanisimova #claireliu #whitneyosuigwe #cocogauff #annli #tennis #juniortennis #instatennis #instasports