The K-1 WORLD GP 2018 JAPAN Lightweight World Tournament takes place on November 3, 2018, at Saitama Super Arena in Saitama, Japan. This event features fighters like Koya Urabe, Rukiya Anpo, Daizo Sasaki, and Gonnapar Weerasakreck in the Lightweight World’s Strongest Tournament. Competitors vie in an eight-man bracket to prove their dominance. The night promises fierce kickboxing battles. It’s a defining moment for K-1’s lightweight elite.

The K-1 WORLD GP 2019 Japan vs. World takes place on August 24, 2019, at Edion Arena Osaka in Osaka, Japan. This event features a Japan vs. World 5-on-5 matchup with fighters like Kenta Hayashi, Koya Urabe, Kimura "Philip" Minoru, and Sina Karimian, alongside special superfights including Koji vs. Ryo Aitaka. Competitors clash in a mix of international and domestic kickboxing bouts. The night promises gripping battles and potential upsets. It’s a standout event in K-1’s 2019 lineup.

The K-1 WORLD GP 2021 JAPAN ～よこはまつり～ takes place on September 20, 2021, at Yokohama Arena in Yokohama, Japan. This kickboxing event features Kenta Hayashi facing Daizo Sasaki in a super lightweight bout as a key matchup. Other fighters include Rukiya Anpo, Sina Karimian, and Hirotaka Asahisa across various weight classes. A special heavyweight bout marks Satoshi Ishii’s kickboxing debut against Ryo Aitaka.

The K-1 ReBIRTH 2 event takes place on December 9, 2023, at Edion Arena Osaka in Osaka, Japan. This kickboxing spectacle features Hiromi Wajima defending his Super Welterweight title against Ouyang Feng in the main event. Other title fights include Toma Kuroda vs. Issei Ishii for the Bantamweight belt and Hasan Toy vs. Shintaro Matsukura for the Middleweight crown. Additional competitors like Akihiro Kaneko, Leona Pettas, and Kana Morimoto face off across the card. It’s K-1’s final major event of 2023, closing the year with high-stakes action.