Princes William & Harry: Polo Match!

Prince William and Prince Harry compete against each other at the Jerudong Trophie polo match held at Cirencester Park on Sunday (August 5) in Cirencester, England.

The 30-year-old Duke of Cambridge and his 27-year-old brother looked like they were having a ball at the match.

PHOTOS: Check out the latest pics of Prince William

Prince William and his wife, Kate Middleton, went out to show their support at the Summer Olympics – they watched swimming together on Friday.

15+ pics inside of Prince William and Prince Harry at a charity polo match…