ANYmal-D, the badminton-playing quadruped robot from ETH Zurich, combines artificial intelligence with whole-body coordination to rally with human players for up to 10 shots.

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.

Optimus, the humanoid robot that Tesla unveiled at its October 10 We, Robot event. The robot was seen walking around, serving drinks and even playing Rock, Paper, Scissors with attendees.