Record tennis matches anywhere
Choose your preferred platform to track matches and analyze your performance
Garmin Watch App
For Garmin touch screen watches, simply swipe to record the points and easily keep track of current momentum with the percentage of last 6 points won.
Apple Watch App
Track matches right from your wrist with our dedicated Apple Watch app that syncs directly with the iOS app.
iOS App
Use your iPhone to chart matches with our full-featured iOS app, offering all tracking capabilities in a larger interface.
View detailed stats
Improve by analysing your performance with detailed stats and charts
Match Analysis
Get insights about your performance with key observations and improvement suggestions.
Comprehensive Stats Breakdown
See your first and second serve percentages, points won, and critical moment performance at a glance.
Visual Performance Charts
Visualize your performance with interactive charts showing trends and patterns in your play.
Match History Timeline
Track your progress over time and compare performance across different matches and opponents.
Comprehensive tracking options
Choose from multiple match formats and tracking levels to suit your needs
Flexible Match Formats
Choose from standard 3 or 5 set matches, Fast4 format with 4-game sets and sudden death deuce, or G++ format for tracking total games without sets.
- Regular 3 or 5 set matches
- Fast4 with shorter sets
- G++ total games tracking
- Customizable final set options
Advanced Tracking Mode
Record detailed statistics including unforced errors and winners to get a complete picture of your performance on court.
- Track unforced errors
- Record winners
- Monitor serving performance
- Analyze critical points
Advanced+ Tracking Mode
Take your analysis to the next level with shot-by-shot breakdowns, forehand/backhand differentiation, and serve placement tracking.
- Forehand/backhand breakdown
- Shot placement analysis
- Serve direction tracking
- Rally length statistics
Frequently Asked Questions
Who is the app for?
Anyone that wants to improve their tennis game. Whether you're a beginner or an advanced player, the app can help you track your progress and identify areas for improvement.
How do I upload the files from Garmin Connect?
The watch app will save an activity in Garmin Connect. Log in to the Garmin Connect website, go to the activity and then from the settings gear on the top right, choose "Download File". Unzip the downloaded file and upload the .FIT file to Tennis by Numbers from the Matches page.
Which Garmin watches are supported?
Fenix 7, Fenix 8, Approach S70, D2, Descent, Enduro, Epix, Forerunner 265, Forerunner 955, Forerunner 965, Venu 2, Venu 3, Venu SQ 2, Venu SQ 3, vivoactive 5.
Do you have an Apple or Android Watch app?
Yes, we now support both Garmin watches and Apple Watch. The Apple Watch app is available through the iOS app download. We don't currently have an Android Watch app.
Which match formats are supported?
Regular 3 and 5 set matches are supported and you can choose if the final set will be a tiebreak or regular when that point in the match is reached. The app also supported Fast4 (4 games per set, sudden death deuce, tiebreak final set) and G++ that enables counting of total games won with no sets.
Is the app free?
Yes, the app is free to download and use.
Get Started
Download the Tennis by Numbers app to sign up and take your tennis game to the next level.