 # | Title | Timeframe | Winner | Rating | Votes |
| 1 | Iron Fist Tag Team Tournament 2025 | 02.10.2025 - 15.10.2025 | Masato Kamino & Takato Nakano | ||
| 2 | Chouten Itadaki 2025 | 30.04.2025 - 23.05.2025 | Ryota Nakatsu | ||
| 3 | Union Pro MAX Title Next Challenger 1-Day Tournament | 29.11.2024 | Masato Kamino | ||
| 4 | Heaven Summit Itadaki 2023 | 23.05.2023 - 27.06.2023 | SAGAT | ||
| 5 | Heaven Summit Itadaki 2022 | 11.10.2022 - 08.11.2022 | Fuminori Abe | ||
| 6 | Union Pro MAX Title Next Challenger Decision League | 14.08.2021 - 28.09.2021 | Ryota Nakatsu | ||
| 7 | Heaven Summit Itadaki 2021 | 18.05.2021 - 07.07.2021 | Minoru Fujita | ||
| 8 | Iron Fist Tag Tournament 2020 | 10.11.2020 - 22.12.2020 | Daiki Shimomura & Isami Kodaka | ||
| 9 | Heaven Summit Itadaki 2020 | 19.07.2020 - 26.07.2020 | Ryota Nakatsu |
