Dylan Gee 🇬🇧🇳🇿 on Instagram: "Practice keeping the body side on for longer ✅ Racket head drops behind the back keep the chest facing the net post ✅ Stored energy not released early ✅ Improved body position #tennis #tennistips #tennisserve #tennisplayer #tenniswork #tenniscoach #tenniscoaching #tennisfun #tennislove"