with United Autosports alongside Bailey Voisin.

Fagg joined D'station Racing for the 2022 FIA World Endurance Championship LMGTE Am class alongside the team's owner Satoshi Hoshino, and team manager Tomonobu Fujii.

[2] For 2023, Fagg moved to International GT Open with Optimum Motorsport's McLaren 720S GT3 alongside Samuel De Haan.

[4] He is joined by his former teammate Fujii, and Denmark's Marco Sørensen.

[5] Fagg made his debut in Fuji Speedway round 2.