| # | Date | Promotion | Match |
| 1 | 20.03.2017 |  |
DDT Iron Man Heavy Metal Title: Joey Ryan defeats Kotatsu (c) - TITLE CHANGE !!! DDT Judgement 2017 ~ DDT 20th Anniversary Show - TV-Show @ Saitama Super Arena in Saitama, Japan |
| 2 | 20.03.2017 | |
DDT Iron Man Heavy Metal Title: Kotatsu defeats Yoshihiko (c) - TITLE CHANGE !!! DDT Judgement 2017 ~ DDT 20th Anniversary Show - TV-Show @ Saitama Super Arena in Saitama, Japan |
| 3 | 19.02.2017 | |
DDT Iron Man Heavy Metal Title: Kotatsu (c) defeats Antonio Honda and Keisuke Ishii (9:01) DDT Into The Fight 2017 - TV-Show @ Korakuen Hall in Tokyo, Japan |
| 4 | 04.02.2017 | |
DDT Iron Man Heavy Metal Title: Kotatsu defeats Hyota Echizenya (c) - TITLE CHANGE !!! DDT Naniwa Wrestling Road 2017 - Online Stream @ EDION Arena Osaka #2 in Osaka, Japan |
