# Sea of Japan 6-Person Tag Team Championship

The Sea of Japan 6-Person Tag Team Championship (日本海6人タッグ王座, Nihonkai Roku-nin Taggu Ōza) was a six-person tag team title in the Japanese professional wrestling promotion Dramatic Dream Team, today known as DDT Pro-Wrestling. The title was established in 2003. It has since been unified with the UWA World Trios Championship.

## Title history
### Championship tournament

On July 20, 2003, a four-team tournament was held to crown the inaugural champions.
| First round | First round | Final | Final |
| Shinya Hagimoto, Seiya Morohashi and Futoshi Miwa | Pin |
| Team Midbreath (Mr. Strawberry, Yoshihiro Sakai and O.K. Revolution) | 11:29 | | |
| Team Midbreath (Mr. Strawberry, Yoshihiro Sakai and O.K. Revolution) | 11:29 | Team Midbreath (Mr. Strawberry, Yoshihiro Sakai and O.K. Revolution) | Pin |
| | | Super Uchuu Power, Tomohiko Hashimoto and Shuji Ishikawa | 10:45 |
| Takashi Sasaki, Thanomsak Toba and King Lion | Pin | Super Uchuu Power, Tomohiko Hashimoto and Shuji Ishikawa | 10:45 |
| Super Uchuu Power, Tomohiko Hashimoto and Shuji Ishikawa | 08:43 | | |

## Reigns

Key :
| No. | Overall reign number |
| Reign | Reign number for the specific team—reign numbers for the individuals are in parentheses, if different |
| Days | Number of days held |
| Defenses | Number of successful defenses |
| <1 | Reign lasted less than a day |
| No. | Champion | Championship change | Championship change | Championship change | Reign statistics | Reign statistics | Reign statistics | Notes | Ref. |
| No. | Champion | Date | Event | Location | Reign | Days | Defenses | Notes | Ref. |
| 1 | Team Midbreath (Mr. Strawberry, Yoshihiro Sakai and O.K. Revolution) | July 20, 2003 | Yoshihiro Sakai: I Shall Return | Niigata, Japan | 1 | 2,520 | 0 | Defeated Super Uchuu Power, Tomohiko Hashimoto and Shuji Ishikawa in a tournament final to become the inaugural champions. Yoshihiro Sakai changed his name to Muscle Sakai during this reign. | |
| 2 | Kenny Omega, Riho and Mr. #6 | June 13, 2010 | What Are You Doing? 2010 | Tokyo, Japan | 1 | 37 | 0 | | |
| — | Vacated | July 20, 2010 | — | — | — | — | — | Title vacated when Omega was chosen to replace Kota Ibushi at Ryōgoku Peter Pan 2010. | |
| 3 | Great Kojika, Riho and Mr. #6 | July 24, 2010 | — | — | 1 (1, 2, 2) | 102 | 2 | Title awarded to Kojika, Riho and Mr. #6. | |
| 4 | Shit Heart♥Foundation (Hikaru Sato, Michael Nakazawa and Tomomitsu Matsunaga) | November 3, 2010 | Shin-Kiba 5th Anniversary Special | Tokyo, Japan | 1 | <1 | 0 | This was also for the UWA World Trios Championship and the Jiyūgaoka 6-Person Tag Team Championship. | |
| — | Unified | November 3, 2010 | Shin-Kiba 5th Anniversary Special | Tokyo, Japan | — | — | — | Title unified with the UWA World Trios Championship. | |

## Combined reigns
### By team

| Rank | Wrestler | No. of reigns | Combined defenses | Combined days |
| 1 | Team Midbreath (Mr. Strawberry, Yoshihiro Sakai and O.K. Revolution) | 1 | 0 | 2,520 |
| 2 | Great Kojika, Riho and Mr. #6 | 1 | 2 | 102 |
| 3 | Kenny Omega, Riho and Mr. #6 | 1 | 0 | 37 |
| 4 | Shit Heart♥Foundation (Hikaru Sato, Michael Nakazawa and Tomomitsu Matsunaga) | 1 | 0 | <1 |

### By wrestler

| Rank | Wrestler | No. of reigns | Combined defenses | Combined days |
| 1 | Mr. Strawberry | 1 | 0 | 2,520 |
| 1 | O.K. Revolution | 1 | 0 | 2,520 |
| 1 | Yoshihiro Sakai | 1 | 0 | 2,520 |
| 4 | Mr. #6 | 2 | 2 | 139 |
| 4 | Riho | 2 | 2 | 139 |
| 6 | Great Kojika | 1 | 2 | 102 |
| 7 | Kenny Omega | 1 | 0 | 37 |
| 8 | Tomomitsu Matsunaga | 1 | 0 | <1 |
| 8 | Michael Nakazawa | 1 | 0 | <1 |
| 8 | Hikaru Sato | 1 | 0 | <1 |