Riku Morisaka

[3] Although Morisaka was able to overcome the future Krush and K-1 featherweight champion Yuki Egawa by split decision in the semifinals of the one-day tournament,[4] he lost the final bout against Shota Oiwa by unanimous decision.

[5] It was his second career loss at the hands of Oiwa, as he had previously beaten him by unanimous decision at Syuken 30 on February 11, 2016.

[6] On May 26, 2018, Morisaka faced another future K-1 featherweight champion in Tatsuya Tsubakihara at KHAOS 5.

[11][12] Morisaka was scheduled to rematch Taito Gunji at K-1: K'Festa 4 Day 1 on March 21, 2021.

[14] Morisaka faced Toma Tanabe at K-1 World GP 2021 in Osaka on December 4, 2021.

[20] Morisaka faced the former K-1 featherweight champion Tatsuya Tsubakihara at K-1 World GP 2023 in Yokohama on June 3, 2023.