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 in the 33rd SEA Games in Thailand, going against Malaysia. The group match for the Low Goals category was held at the VS Sports Club, Samutprakan, Thailand. The game resulted with a narrow win for Malaysia with 6-5 in 4 chukkas.

His Royal Highness Prince 'Abdul Mateen scored a goal in the first chukka, and another in the third chukka. Brunei is now in fourth place and qualified for the semi-finals based on the overall scores.