Frances Tiafoe going hard in practice earlier today. Getting ready for Barcelona. #grindtime – From his IG story pic.twitter.com/pFJCCfve8n — Chad (@CCSMOOTH13) April 14, 2019 https://platform.twitter.com/widgets.js Tennis Footwork: Better Court Coverage https://t.co/QLG3S9YFJT via @YouTube — JERRY KING (@JDK10S) April 9, 2019 https://platform.twitter.com/widgets.js The Road to the 2019 Season EP1 🎬 Join @Borna_Coric on his journey…