Strongest-K Championship
The Strongest-K Championship is the top singles title in Kaientai Dojo. It has existed since 2004. The holder of the title is referred to as the "Champion of Strongest-K".
Title history
Reigns
As of ,.| # | Order in reign history |
| Reign | The reign number for the specific set of wrestlers listed |
| Event | The event promoted by the respective promotion in which the titles were won |
| — | Used for vacated reigns so as not to count it as an official reign |
| + | Indicates the current reign is changing daily |
List of combined reigns
,.| Rank | Wrestler | # of reigns | Combined days |
| 1 | Kengo Mashimo | 6 | 1,965 |
| 2 | Yuji Hino | 4 | 724 |
| 3 | Taka Michinoku | 2 | 549 |
| 4 | Taishi Takizawa | 2 | 534 |
| 5 | Tank Nagai | 2 | 356 |
| 6 | Kazma | 1 | 301 |
| 7 | Joe | 1 | 276 |
| 8 | Kaz Hayashi | 1 | 121 |
| 9 | Isami Kodaka | 1 | 113 |
| 10 | Daisuke Sekimoto | 1 | 83 |
| 11 | Hi69 | 1 | 70 |
| 12 | Saburo Inematsu | 1 | 70 |
| 13 | Miyawaki | 1 | 63 |
| 14 | Kaji Tomato | 1 | 20 |
| 15 | Shu Asakawa | 1 | + |