Dylan Gee 🇬🇧🇳🇿 on Instagram: "Improve the timing on your groundstrokes 🎾 • The classic ‘bounce.. hit..’ exercise • Calling out over, under and strings #tennis #tennislover #tenniscreator #tennisplayer #tenniscoach #tenniscreator #tennislifestyle #tennislove #tennisfun #tennisjourney #tennisstory #tenniscommunity #tennisfamily #tenniscourt #tennislife #tennisfan #tennisguy #tennisworld #tennisvideo #tenniswithdylan #wilsontennis #teamwilson"