[2] Koula Jr set the GPS sprint record in 2019 at 10.58 seconds (his father's fastest 100 metre time was a 10.56).

[3] He graduated from Newington College in 2020, where he was the Athletics Captain[4][5] Koula made his debut in round 1 of the 2022 NRL season for Manly-Warringah in a 28–6 loss to Penrith.

[6] Following this, he was announced as a member of the Tongan national rugby league team, where he will start at fullback against New Zealand on June 25.

[7] Koula played 20 games for Manly in the 2022 NRL season as the club finished 11th on the table and missed out on the finals.

[12] Koula played 19 games for Manly in the 2023 NRL season and scored eight tries as the club finished 12th on the table and missed the finals once again.