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The Partner lives up to its name. Whereas traditional ball machines are static and follow preset routines, this innovative model reads and reacts. With AI-powered advanced tracking it’s capable of analyzing a player’s shots in real time and automatically adjusting the speed and difficulty of the feeds to match performance. No more lather, rinse and repeat—the machine recognizes if you’re crushing or rushing and makes the necessary adjustments to customize the workout.

In addition to matching your level, the Partner can also move like a real opposing player. Instead of feeds coming from the same location, it can motor around to provide a wider array and more realistic series of shots. This allows it to better simulate game conditions and engage all areas of the court. It’s not exactly like playing against an actual human, but it’s close.

Created by Auburn, AL-based Tennibot, the roots of the Partner grew out of necessity. Back in 2018, CEO and co-founder Haitham Eletrabi was working on his PhD in civil engineering at the university. A tennis player in his youth, he picked it up again for recreation in his limited spare time outside the classroom. There was only one problem.

“Tennis is an amazing sport. I love it,” says Eletrabi. “But one of the worst parts is picking up the balls.”

That frustration spurred the creation of the Rover. Using computer vision and navigation algorithms, it autonomously wheels around the court picking up stray balls. It traverses all obstacles including net posts, fences and players to collect up to 80 balls in a removable bag. It’s like a Roomba for the tennis court. A sweeper attachment lets it smooth out a clay court.

The Rover autonomously seeks out and picks up stray balls on the court, while a sweeper attachment lets it smooth out a clay court.

The Rover autonomously seeks out and picks up stray balls on the court, while a sweeper attachment lets it smooth out a clay court.

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Initially Eletrabi thought the Rover would be solely for personal use, but when he saw how many of his fellow players wanted it for themselves his sights grew bigger. It took about six years to develop the first full-featured model. Once the technology was in place, it took only six months to apply it to a ball machine that works for tennis, pickleball and padel.

Both devices sync with a small device (the Station) affixed to the net post to calibrate movement and can be operated by the Tennibot app. That’s where you will also find the hundreds of pre-loaded drills available for the Partner. Or you can create unlimited custom drills using various speeds (up to 70 mph), spins (topspin, slice or flat) and placements. It’s even capable of mixing in delicate drop shots and high overhead lobs.

The machine holds up to 140 balls and gets 4-5 hours of run time from a full battery charge. It has a compact footprint of less than 2-feet in height, width and length and weighs around 35 pounds. If that doesn’t make transport easy enough, you can use the Follow Me mode—simply activate the feature, put the Partner on ground and it shadows you on or off the court.

The only thing it won’t do? Climb stairs.

The Partner is currently available for pre-order at the Tennibot website. Players can place a deposit ($499) to reserve a unit and pay the remainder ($1595) before it ships in May. This price includes a limited-time 30% discount for early adopters. The Rover can be purchased immediately for $2995 or rent-to-own for $95/month.