He also played junior Australian rules football, being named one of the best in AFL Cape York's Crusaders and Peninsula representatives teams in the 2013 Queensland state underage championships[4] and after a best on ground performance for Cairns Hawks in an AFL Cairns under-15s grand final at Cazalys Stadium in 2016[5] was signed up to the Gold Coast Suns Academy.

[6] Tabuai-Fidow later admitted he looked up to Buddy Franklin in his younger years and was "pretty close to signing" with the Suns,[7] but ultimately the club was unsuccessful in their attempt to relocate him to the Gold Coast and instead he accepted a scholarship to play rugby union for Brisbane Grammar School and said he would enjoy playing for the Reds or Wallabies one day.

[10] In 2018, Tabuai-Fidow played for the Cairns-based Northern Pride's Mal Meninga Cup team, scoring five tries in seven games.

Following the Mal Meninga Cup competition, he started at fullback for the Queensland under-18 team in their win over New South Wales.

[24] In October, Tabuai-Fidow was named in the Samoa squad for the 2021 Rugby League World Cup and played one game late 2022 in England.

[27] In round 6, Tabuai-Fidow scored two tries in the Dolphins' 32–22 victory over his former club, the North Queensland Cowboys, at Queensland Country Bank Stadium and became the second player in first-grade Australian Rugby League history to score at least one try in each of the first six games of their team's inaugural season, after Eastern Suburbs winger Horrie Miller in the 1908 NSWRFL season.

[32] Tabuai-Fidow holds a number of first tryscorer records for the Dolphins by virtue of playing in their inaugural season.

[33][34] Following the Dolphins defeat against Brisbane in round 6 of the 2024 NRL season, it was announced that Tabuai-Fidow would miss at least four weeks with a hamstring injury.