Tenniix the AI tennis robot offers personalized practice with speeds up to 75 mph, 5,000 RPM spin and over 1,000 training drills across three skill levels, all controlled by voice or smartphone app.

Follow live coverage of the Wimbledon women’s singles final between Amanda Anisimova and Iga Swiatek The best male tennis player in America has a coach who knows how to play tennis on grass.