Humanoid robots waddled, stumbled and occasionally face-planted their way through a 3-on-3 soccer tournament in Beijing on Saturday that looked more like the first day of little league than the rise ...

On the outskirts of Beijing, young Chinese entrepreneur Cheng Hao sits on an indoor soccer pitch – but this turf isn’t for humans. It’s where engineers working for his start-up, Booster Robotics, ...