Practise Anywhere and Improve Fast
You can train your skills in any space you choose. Enjoy solo sessions, indoors or outdoors; rain never stops your routine. Threo tennis trainer keeps your focus sharp and movement quick. Every swing helps you boost confidence and build accuracy.
No Partner Needed
Play by yourself and never worry about finding someone else. Stay active while working on your technique anytime you like.


Easy Setup
Fill the base with sand or water for stability during drills. Start hitting straight away and enjoy hassle-free practice every session.
Skill Progress
Track your shots and watch your performance get better quickly. Build muscle memory through consistent use for lasting results.















Maddie Q.
Quick setup lets me play anytime I want.
Leah K.
Helps with timing and makes solo practice fun.
Zoey W.
Perfect size for my yard tennis sessions.
Josh V.
Easy to get started every day. The trainer base holds up even when I swing hard. My coach says I got faster too.
Connor L.
My serve accuracy is better thanks to this. Doing drills feels like a real game and I don’t need anyone else around.
Mason J.
Feels great to play tennis by myself at home now. Really improved hand-eye coordination. Wouldn’t be as good without it.
Owen R.
String is long enough for good drills outside.
Evelyn F.
Set up takes seconds and it works inside or outside. My consistency keeps improving and I’m more confident hitting now.
Hailey D.
I love training with this ball after school! My shots are more accurate now, and it’s nice not always needing to go out.
Ryan S.
This trainer got me interested in tennis again. Watching my improvement feels awesome and it’s so simple to refill the base each time.