More Speed. Can You Keep Up?
81 mph81
Max Speed
Challenge your preparation, timing, and control.
Proud Sponsor of the 2026 Billie Jean King Cup Finals
The World Cup of Women's Tennis.
Train for Your Next Level from 3.0 Toward 5.0.
Better ball quality. More control. Smarter feedback. A higher level you.
Meet S Basic.Your Partner for the Next Level.
Powerful shots. Focused drills. More practice, whenever you’re ready.
Train Against the Shots
That Beat You. S Basic
More Spin. Can You Handle It?
68 mph68
Max In-Court Topspin Speed
More Precision. More Pressure.
Can You Stay in Control?
±18.5 in±18.5
Repeat the Ball You Need.
Consistent placement keeps every rep focused on the shot you want to improve.
1.5s~60s1.5s~60s
Stay Ready for the Next Ball.
Short feed intervals keep you moving and ready for the next ball.
Grab the Handle. Hit the Court. S Basic
Roll your TENNIIX from your car to the court with the Carry Kit.
Train Your Goals Into Custom Drills. S Basic
Set the speed, spin, angle, placement, and interval. Save your drill, then put it into practice with S Basic.
- Set Your Shots
- Start Your Drill
- Practice Your Pattern
Train Your Weak Spots into Winning Shots. S Basic
A Full Drill Library for Every Level.
Multiple preset drills across beginner, intermediate, and advanced training.
Train Your Shots into Better Rallies. S Basic
7 Preset Play Styles.
Explore seven preset shot patterns for S Basic.
1 / 7
Blaze
Attacking Preset
Practice handling fast topspin and flat shots.
Stay In The Drill.
Less Spotting. More Hitting.
Hi, Tenniix, Game Start!
- “Serve Fast”
- “Spin More”
- “Top Spin”
- “Game Pause”
Voice Control
Change settings without leaving the baseline.
LED Real-Time Feedback
See what’s happening at a glance.
100+ Ball Capacity
Hit more. Refill less.
Up to 4 Hours of Battery Life
Removable battery.
2 Colorways
Pick Your Style. Lava Orange or Aurora Green.
Meet the New
Tenniix App 2.0
Redesigned from the ground up with a cleaner interface, more precise controls, upgraded training modes, and smarter interactions.
Train for Your Next Level.
From 3.0 Toward 5.0.
FIND YOUR TRAINING PARTNER
S-Basic or S-Pro?
Same Strong Foundation. Different Ways to Train.
Lava Orange
Basic
Lava Orange
Pro
Repeat feeds to a fixed spot to build consistent strokes.
Fixed-Point Training
Same as Basic.
Fixed-Point Training
Preset drills and custom training sequences.
Targeted Drills
Same as Basic.
Targeted Drills
Practice movement and reactions with varied feeds.
Random Feeds
Same as Basic.
Random Feeds
Practice consecutive shots to build rally rhythm.
Basic Rally Practice
Same as Basic.
Basic Rally Practice
—
AI Responsive Rally
Reads your shots and court position, then responds with strategy.
AI Responsive Rally
—
Track & Recovery Training
Practice getting to the ball, recovering after each shot, and preparing for the next.
Track & Recovery Training
—
AI Performance Assessment
Assesses your game across six dimensions to help identify weaknesses. Coming December 2026.
AI Performance Assessment
—
AI Training Recommendations
Recommends targeted drills based on your assessment results.
AI Training Recommendations
—
Drill Challenge Mode
Scored drill challenges. Score 80 or higher to pass. Coming December 2026.
Drill Challenge Mode
Players with clear goals who want to repeat drills on their own terms.
Best For
Players who want AI interaction, performance assessments, training recommendations, and progress checks.
Best For
Up to 81 mph
Max Ball Speed
Up to 81 mph
Max Ball Speed
Up to 68 mph
Max Topspin Speed
Up to 68 mph
Max Topspin Speed
1.5 -60 s
Feed Interval
1.5 -60 s
Feed Interval
✓
Voice & App Control
✓
Voice & App Control
100+ balls
Ball Capacity
100+ balls
Ball Capacity
Up to 4 hours
Battery Life
Up to 4 hours
Battery Life
