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The guy from "Stuff Made Here" builds all sorts of sports machines: a gun-powered golf club, a basketball hoop that's impossible to miss, etc. I think he would be able to make a tennis playing machine that aces every single service shot (if he's not working on that already! ;-)

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A very easy way to do it would just be to serve the ball at > 400km/h. It's unlikely that a human could accurately return a ball at that speed more than 50% of the time.

I don’t know the rules of tennis well enough, but would it be enough to just have an unreturnable serve to win, even if you can’t return anything yourself?

no, you have to win by two games. So you have to be able to win once with your opponent serving.

> (if he's not working on that already! ;-)

Right now he seems to be occupied with his automatic puzzle solver. Based on the first video it looks like it'll take a while.

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