Titles

The Union MAX Championship

The Iron Fist Tag Team Championship

1. Isami Kodaka
   • December 25, 2016 – January 6, 2017 (12 days)
   • no defenses
2. FUMA
   • January 6, 2017 – March 23, 2017 (76 days)
   • 1 defense
3. Trans-Am ★Ryuji
   • March 23, 2017 – October 1, 2017 (192 days)
   • 3 defenses
4. Isami Kodaka
   • October 1, 2017 – May 3, 2018 (214 days)
   • 5 defenses
5. Naoki Tanizaki
   • May 3, 2018 – September 21, 2018 (141 days)
   • 2 defenses
6. Ryota Nakatsu
   • September 21, 2018 – May 6, 2019 (227 days)
   • 5 defenses
7. Ryuichi Sekine
   • May 6, 2019 – November 3, 2019 (181 days)
   • 2 defenses
8. Masahiro Takanashi
   • November 3, 2019 – March 24, 2020 (142 days)
   • 3 defenses
9. Fuminori Abe
   • March 24, 2020 – November 10, 2020 (231 days)
   • 4 defenses
10. Takumi Tsukamoto
    • November 10, 2020 – October 24, 2021
    • 6 defenses
11. Ryota Nakatsu
    • October 24, 2021 – June 21, 2022
    • 7 defenses
12. Isami Kodaka
    • June 21, 2022 – present

1. Iron Priest (Yusuke Kubo & FUMA)
   • October 23, 2019 – January 22, 2020
   • 2 defenses
2. Speed of Sounds (Tsutomu Oosugi & Banana Senga)
   • January 22, 2020 – January 20, 2021
   • 7 defenses
3. Sento Minzoku (Isami Kodaka & Daiki Shimomura)
   • January 20, 2021 – July 7, 2021
   • 3 defenses
4. Astronauts (Fuminori Abe & Takuya Nomura)
   • July 7, 2021 – October 24, 2021
   • 1 defense
5. Speed of Sounds (Tsutomu Oosugi & Banana)
   • October 24, 2021 – September 6, 2022
6. Aijin Tag (Takato Nakano & Masato Kamino)
   • September 6, 2022 – present