Rai is a 6'6 forward who attended Dartmouth College, where he averaged 12.3 points, 7.2 rebounds, and 1.8 assists during his final year in 2021-2022. Since joining the London Lions, he emerged as a cornerstone of the club, playing in all 32 league games in the 2024-25 season. He led the Lions in scoring for the regular season and finished third on the team in rebounds and assists. Rai was named the Molten MVP of the Super League Basketball for the 2024-25 season, and earned inclusion on the Team of the Year.