The son and daughter of His Majesty the Sultan and Yang Di-Pertuan of Brunei Darussalam, His Royal Highness Prince 'Abdul Mateen and Her Royal Highness Princess Azemah Ni'matul Bolkiah joined Brunei Darussalam's polo team to compete against Indonesia in the 4-6 Goals event of the 33rd Southeast Asian Games, SEA Games Thailand. The match for the bronze medal took place at Siam Polo Park, 19th December afternoon.

In the match, the National Polo Team clinched the bronze medal after beating the Indonesian Polo team 6-5 in four chukkas. His Royal Highness Prince 'Abdul Mateen scored a goal in the first chukka.