 # | Champion(s) | Since | Duration | Location | Note | Details |
| 44 | Shingo Takagi (4) | 06.04.2024 | 19 days | Tokyo, Japan | Matches | |
| 43 | EVIL (3) | 20.01.2024 | 77 days | Nagoya, Aichi, Japan | Matches | |
| 42 | Tama Tonga (4) | 04.01.2024 | 16 days | Tokyo, Japan | Matches | |
| 41 | Shingo Takagi (3) | 28.10.2023 | 68 days | Las Vegas, Nevada, USA | Matches | |
| 40 | Tama Tonga (3) | 09.10.2023 | 19 days | Tokyo, Japan | Matches | |
| 39 | David Finlay | 03.05.2023 | 159 days | Fukuoka, Japan | Matches | |
| 38 | Tama Tonga (2) | 04.01.2023 | 119 days | Tokyo, Japan | Matches | |
| 37 | Karl Anderson | 12.06.2022 | 206 days | Osaka, Japan | Matches | |
| 36 | Tama Tonga | 01.05.2022 | 42 days | Fukuoka, Japan | Matches | |
| 35 | EVIL (2) | 04.01.2022 | 117 days | Tokyo, Japan | Matches | |
| 34 | Tomohiro Ishii (6) | 13.11.2021 | 52 days | San Jose, California, USA | Matches | |
| 33 | Jay White | 03.05.2021 | 194 days | Fukuoka, Japan | Matches | |
| 32 | Hiroshi Tanahashi | 30.01.2021 | 93 days | Nagoya, Aichi, Japan | Matches | |
| 31 | Shingo Takagi (2) | 07.11.2020 | 84 days | Osaka, Japan | Matches | |
| 30 | Minoru Suzuki (2) | 29.08.2020 | 70 days | Tokyo, Japan | Matches | |
| 29 | Shingo Takagi | 01.02.2020 | 210 days | Sapporo, Japan | Matches | |
| 28 | Hirooki Goto (5) | 05.01.2020 | 27 days | Tokyo, Japan | Matches | |
| 27 | KENTA | 31.08.2019 | 127 days | Hackney, Greater London, England, UK | Matches | |
| 26 | Tomohiro Ishii (5) | 09.06.2019 | 83 days | Osaka, Japan | Matches | |
| 25 | Taichi (2) | 03.05.2019 | 37 days | Fukuoka, Japan | Matches | |
| 24 | Jeff Cobb | 06.04.2019 | 27 days | New York City, New York, USA | Matches | |
| 23 | Will Ospreay | 04.01.2019 | 92 days | Tokyo, Japan | Matches | |
| 22 | Kota Ibushi | 09.12.2018 | 26 days | Iwate, Japan | Matches | |
| 21 | Hirooki Goto (4) | 03.11.2018 | 36 days | Osaka, Japan | Matches | |
| 20 | Taichi | 17.09.2018 | 47 days | Beppu, Oita, Japan | Matches | |
| 19 | Hirooki Goto (3) | 17.06.2018 | 92 days | Tokyo, Japan | Matches | |
| 18 | Michael Elgin | 09.06.2018 | 8 days | Osaka, Japan | Matches | |
| 17 | Hirooki Goto (2) | 04.01.2018 | 156 days | Tokyo, Japan | Matches | |
| 16 | Minoru Suzuki | 27.04.2017 | 252 days | Hiroshima, Japan | Matches | |
| 15 | Hirooki Goto | 04.01.2017 | 113 days | Tokyo, Japan | Matches | |
| 14 | Katsuyori Shibata (3) | 15.11.2016 | 50 days | Singapur | Matches | |
| 13 | EVIL | 05.11.2016 | 10 days | Osaka, Japan | Matches | |
| 12 | Katsuyori Shibata (2) | 19.06.2016 | 139 days | Osaka, Japan | Matches | |
| 11 | Yuji Nagata | 03.05.2016 | 47 days | Fukuoka, Japan | Matches | |
| 10 | Katsuyori Shibata | 04.01.2016 | 120 days | Tokyo, Japan | Matches | |
| 9 | Tomohiro Ishii (4) | 12.10.2015 | 84 days | Tokyo, Japan | Matches | |
| 8 | Togi Makabe (2) | 29.04.2015 | 166 days | Kumamoto, Japan | Matches | |
| 7 | Tomohiro Ishii (3) | 14.02.2015 | 74 days | Sendai, Miyagi, Japan | 3 | Matches |
| VACANT | 14.02.2015 | <1 day | 2 | |||
| 6 | Togi Makabe | 04.01.2015 | 41 days | Tokyo, Japan | Matches | |
| 5 | Tomohiro Ishii (2) | 13.10.2014 | 83 days | Tokyo, Japan | Matches | |
| 4 | Yujiro Takahashi | 29.06.2014 | 106 days | Tokyo, Japan | Matches | |
| 3 | Tomohiro Ishii | 11.02.2014 | 138 days | Osaka, Japan | Matches | |
| 2 | Tetsuya Naito | 29.09.2013 | 135 days | Kobe, Hyogo, Japan | Matches | |
| 1 | Masato Tanaka | 19.11.2012 | 314 days | Toyko, Japan | 1 | Matches |
