He made his debut for the club against Labasa and was immediately the first choice goalkeeper after Suva implemented the decision.
However against New Zealand, the game that Koroi didn't play, Fiji lost by four goals to nil.
In 2015 he was part of the Fiji national under-23 football team that managed to win the 2015 Pacific Games.
Koroi played in all six games, including the final against Vanuatu that Fiji managed to win after a penalty shootout.
This was because Fiji chose to pick the experience national team goalkeeper Simione Tamanisau.