Following in his elder brother William's footsteps he played in the annual Wall Game at his public school, Eton, to mark St Andrew's day.
It's one of Britain's oldest and most violent school games.
Baffling rules
Many people have admitted being confused about the rules and this one ended in a goalless draw.
In fact, no one's scored in almost a hundred years!
Harry played in a flanker-type position and didn't receive any injuries although he was covered in mud when it finished.
Apparently the 17-year-old prince is said to have enjoyed himself very much.
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