For tennis coaches
rakly turns a player’s video into a clear report: detected stroke, main error, the exact moment frame, and an actionable fix for the next lesson.
Practice tossing the ball over the dominant shoulder before contact.
How it works
Phone on any court. No app install, no setup.
Detects the stroke, finds the main error, and marks the exact moment in the video.
You arrive at the lesson with visual evidence and one concrete fix to work on.
The real problem
Between lessons, feel changes, the error returns, and the explanation fades. When players see their own video, the fix stops being abstract.
Why it adds value
Players see the exact error frame. They don’t rely on verbal explanation alone.
The session starts with a concrete, measurable goal — not a long conversation.
Compare videos and show progress without building a complex system.
Players feel supported between lessons, not only during court time.
Early access
Leave your details and we’ll contact you with a personalized coach code.
We’ll contact you within 48 hours with your coach code.