AI Tennis Ball Machine Changes Practice Forever

8 Reasons the PONGBOT Pace S Pro Is Not Like Other Ball Machines - Gadget Review
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8 Reasons the PONGBOT Pace S Pro Is Not Like Other Ball Machines
Alex Barrientos
LinkedIn
With over five years in the web and tech space, I’ve developed a deep passion for PC hardware and peripherals. I’m a habitual researcher, always eager to learn more, which has expanded my knowledge beyond PCs and keyboards to include TVs, headphones, and even vacuum cleaners.
All Articles by Alex Barrientos
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By
Alex Barrientos
LinkedIn
With over five years in the web and tech space, I’ve developed a deep passion for PC hardware and peripherals. I’m a habitual researcher, always eager to learn more, which has expanded my knowledge beyond PCs and keyboards to include TVs, headphones, and even vacuum cleaners.
All Articles by
Alex Barrientos
→
Mar 12, 2026
·
5 min read
Image: Gadget Review
Key Takeaways
Ball machines have been around for decades. Most of them do the same thing: fire balls at timed intervals and let you hit. The PONGBOT Pace S Pro is a different category of product. It tracks you, adapts to you, and trains you the way a hitting partner or coach would.
And right now, PONGBOT is running a spring sale through April 11 with discounts of up to 45% off.
1. It Knows Exactly Where You Are on the Court
Image: Pongbot
Most smart systems in this category use cameras to track player position. Camera-based tracking drifts by up to 39 inches (nearly 3 feet) under suboptimal lighting conditions, which covers most indoor courts, overcast days, and late afternoon shade. That’s a significant margin of error in a sport where positioning is everything.
The Pace S Pro uses UWB (Ultra-Wideband) sensor technology that maintains position accuracy within 4 inches and samples at 100 Hz, more than three times faster than typical camera-based alternatives. Small sensors clip to the net posts and your clothing. The system doesn’t guess where you are. It knows, and it adjusts every ball delivery accordingly.
2. It Waits for You Before It Fires
Image: Pongbot
This is the feature that changes what solo practice actually feels like.
Traditional ball machines fire on a timer. You either keep up or you get buried. The pace of the session is set by the machine, not by your ability to recover and reset between shots. That’s fine for repetition drilling, but it trains a rhythm that has nothing to do with real tennis.
The Pace S Pro’s Recovery Trigger technology detects when you’ve returned to your pre-programmed recovery zone before releasing the next ball. You hit, you recover, then the machine fires. That’s how real points work. No other machine on the market does this, and it’s the single biggest reason Pace S Pro sessions feel closer to match play than anything else available for solo training.
3. It Was Trained on Over 100,000 Real Matches
IOmage: Pongbot
The PongSmart algorithm that powers AI Match Mode wasn’t built on theoretical shot patterns or manually programmed sequences. It was trained on data from over 100,000 real matches. That data foundation is what makes the ball combinations feel like a real opponent: the sequences reflect how points actually unfold rather than how an engineer imagined they might.
When the machine puts a ball in an uncomfortable position after a short ball, that’s not a random placement. It’s a pattern that real players use at your level. No other consumer tennis machine offers this.
4. It Covers Every Skill Level on a Single Machine
Image: Pongbot
Most ball machines have a speed dial. The Pace S Pro covers the full range of the NTRP (National Tennis Rating Program) , the USTA’s standard 1.0 to 7.0 scale used to classify players from complete beginner to world-class professional, within a single Match Challenge mode. Top ball speed reaches 80 mph, which is a competitive club-level groundstroke pace and fast enough to train realistic reaction time for serious players.
That range matters in two ways. For individual players, it means the machine grows with your game. For coaches, it means one machine serves every student in their program without adjustment between sessions. You’re not buying a machine for your current level. You’re buying one that stays relevant as you improve.
5. 564 Preset Drills and Full Custom Programming
Image: Pongbot
The drill library includes over 564 preset sequences across every skill level and shot type. That alone is more structured training content than most players will work through in a season.
Beyond the presets, players can build fully custom drills of up to 40-ball sequences and share them with the PONGBOT community. A coach who reviewed the machine called it the best drill programming they’d seen in any ball machine. The community library means the drill catalog keeps growing after you buy it. Other players and coaches are continuously building and sharing sequences you can pull directly into your sessions.
6. It Was Tested by an Actual Tennis Pro (Hendrik Jebens)
Image: Hendrik Jebens
The Pace S Pro raised over $2.7 million on Kickstarter in 2024, finishing as the number one tech and sports campaign on the platform that year. That’s not a niche product that found a small audience. It’s one that the global tennis community validated at scale before it ever shipped.
ATP doubles world No. 45 Hendrik Jebens tested it and said it surprised him, having trained with the best players in the world. That’s a specific, credible data point, not a generic celebrity endorsement. The machine is now used across 29 countries in partnership with 15 tennis clubs and more than 200 coaches and athletes.
7. 8+ Hour Battery Life and 150-Ball Capacity
Image: Pongbot
Practical specs matter as much as smart features, and the Pace S Pro holds up here too.
The battery runs 8-plus hours on a single charge, long enough for a full day of coaching sessions or multiple solo practice blocks without a recharge. The 150-ball hopper gives you roughly 12 to 15 minutes of continuous feeding before you collect, a natural rest interval that mirrors how real training blocks are structured at the coached level. Combined, these specs mean the machine doesn’t become a liability mid-session.
8. Portable Enough to Go Wherever the Court Is
Image: Pongbot
At 19 kg with built-in wheels and an adjustable suitcase-style handle, the Pace S Pro is designed to travel. Indoor courts, outdoor courts, training camps, backyard setups — reviews confirm it rolls over uneven surfaces without issue and fits in most car trunks.
For a machine this capable, portability at this form factor is genuinely unusual. Most machines with comparable feature sets are club-installed units that don’t leave the facility. The Pace S Pro goes where you go.
Bonus: The Spring Sale Makes the Decision Easier
A machine that tracks your position to within 4 inches, waits for you to recover before firing, and draws on 100,000 real matches to build its sequences is in a different class than anything else available for solo training. It’s also normally priced that way. Through April 11, the Pace S Pro is 45% off as part of PONGBOT’s spring sale. If you’ve been waiting for a reason to pull the trigger on serious training equipment, this is it.
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