Forget arguments
Automatic line calls let you focus on the game you love.
Automatic line calls
Fully automated
Automatic line calls make the game easier. Just enjoy the match, Zenniz will take care of the line calls.
Extremely accurate
Dual Tracking technology enables never before seen precision.
Clearly visible
Line calls are displayed on a big LED screen - hard to miss even in sunlight.
Silent or audible
You can choose the silent mode or play a subtle yet audible sound when the ball is out.
Never miss a call
All line calls are clearly visible next to net.
No more arguments or confusion.
How do line calls work?
Dual Tracking technology combining sound sensors and video cameras around the court provide reliable tracking.
Installation is easy and takes only 4 hours.
Wifi and electricity are required from the court.
Frequently asked
+ How does Zenniz tracking work?
Zenniz combines video and audio technologies to accurately track both the ball and players.
This enables Zenniz to make reliable automated line calls, provide stats and insights on matches, and create interactive drills.
For more, see this video.
+ How accurate is Zenniz?
Zenniz is extremely accurate as it combines audio and video tracking.
On average, the ball is tracked within 1 cm (0,4in). In testing, the system catches accurately 99 out of 100 shots.
+ Does Zenniz work on all court surfaces?
Yes. Our tracking algorithms are designed to work on all surfaces. For rare court types, such as natural grass, we recommend getting in touch with us to discuss your unique setup separately.
+ Does Zenniz work on outdoor courts?
The first version of Zenniz will be aimed at indoor use. We are also working to launch an outdoor version of Zenniz.
