He fought a rematch with Yuta Murakoshi in the tournament final, but lost by TKO due to leg injury.
[8] Saikyo participated in the K-1 Featherweight Grand Prix during the K-1 World GP 2019 Yokohamatsuri event.
He fought Arthur Meyer in the quarter final, and lost by TKO breaking his leg during the second round.
[9] Saikyo faced Riku Morisaka at K-1 World GP 2022 Yokohamatsuri on September 11, 2022, following a close to three-year absence from the sport.
[10] He lost the fight by split decision, after an extra fourth round was contested.