The (Spanish for "King of Tag Teams") is a professional wrestling round-robin tag team tournament held by Dragongate. It was created in 2003 by Toryumon Japan to determine the strongest tag team of the promotion. In 2004, after ÃÂltimo Dragón left Toryumon with the name and trademarks associated, the Toryumon Japan roster and staff formed Dragon Gate and a second tournament was held to establish the inaugural Open the Triangle Gate Championship as a spiritual successor to the UWA World Trios Championship.
From 2007 to 2016, the tournament was held as the Summer Adventure Tag League. In 2011, it was held as a single-elimination tournament under the name of Summer Adventure Tag Tournament. In 2012, the tournament featured trios instead of tag teams. In 2023, the tournament was revived as the once again.
The tournament is held under a points system, with 2 points for a win, 1 for a time limit draw, and 0 for a loss, no contest or double decision. The two top-scoring teams in each block advance to a single-elimination playoff to determine the winners of the .
The first featured eight teams in a single block and was held from October 5 to October 26, 2003.
The 2004 edition of the took place from October 3 to November 7. The tournament featured seven trios competing in a single block to win the newly created Open the Triangle Gate Championship. From October 28 onward, Ryo Saito replaced Magnum Tokyo who suffered an injury.
(Magnum Tokyo/Ryo Saito, Dragon Kid and Genki Horiguchi), (Masaaki Mochizuki, Susumu Yokosuka and K-ness.) and (Milano Collection A. T., Yossino and Anthony W. Mori) finished tied in second place with 6 points each and equal head-to-head results. An elimination three-way match was held on November 6 to break the tie, which was won by Italian Connection. The next day, they won the final against (Shuji Kondo, "brother" Yasshi and Takuya Sugawara) and became the first Open the Triangle Gate Champions.
The first Summer Adventure Tag League was held from August 5 to August 26, 2007. The tournament featured ten teams in a single block, with the top-four scoring teams advancing to a single-elimination bracket. Block matches were fought with a 20-minute time limit; semi-finals with a 30-minute time limit. BÃÂB Hulk and Yamato were originally scheduled to participate in the league, but both men got injured and had to withdraw. They were replaced by and m.c.KZ.
The second edition of the Summer Adventure Tag League was held from August 9 to August 28, 2008. The tournament featured the same format as the previous year, with one fewer team. On the opening day, held at Korakuen Hall, the steel structure of the ring broke during the first match. The ring was dismantled and a wrestling mat taped to the floor without ropes was used for the remainder of the event, as the ring crew was unable to repair it on site and it was deemed too dangerous.
The third edition of the Summer Adventure Tag League was held from August 1 to August 26, 2009.
The fourth edition of the Summer Adventure Tag League was held from July 30 to August 24, 2010. The tournament featured ten teams in two blocks of five, with the top-two scoring teams of each block advancing to a single-elimination bracket.
The 2011 Summer Adventure Tag Tournament was held from August 3 to August 7 across three shows. The tournament featured twelve teams competing in a single-elimination tournament. Four teams received a bye into the second round. qualified to be Don Fujii's partner by beating Shisa Boy, Super Shenlong and Eita Kobayashi.
The 2012 Summer Adventure Tag League was held from August 2 to August 19. It featured eight trios competing in two blocks of four with the top-scoring team of each block advancing to a final for the Open the Triangle Gate Championship, left vacant after Pac's departure from Dragon Gate. In addition, the last team from each block faced each other to determine the last place.
Super Shenlong III qualified to be Shingo Takagi and Yamato's partner and represent by beating Chihiro Tominaga.
The 2013 Summer Adventure Tag League was held from September 7 to September 28. It featured eight teams in two blocks. On the opening day of the tournament, it was announced that Dragon Kid would have to vacate both the Open the Twin Gate and Open the Triangle Gate Championships due to a knee injury. It was then decided that the winners of the Tag League would become interim Open the Twin Gate Champions.
On September 12, the Block A match pitting Shingo Takagi and Akira Tozawa against World-1 International representatives Naruki Doi and Masato Yoshino ended in a no contest decision when the Mad Blankey stable intervened and Doi betrayed his partner Yoshino and joined Mad Blankey, effectively disbanding World-1 International. This caused Yoshino to team up with the Former Super Shenlong III, Yosuke Watanabe for his final Block A match.
The 2014 Summer Adventure Tag League was held from September 6 to September 23. It featured ten teams in two blocks of five, with the top-two scoring teams of each block advancing to a single-elimination bracket. Like in 2012, the last team from each block faced each other to determine the last place.
During the tournament, was injured and was replaced by Yuga Hayashi.
The 2015 Summer Adventure Tag League was held from September 5 to September 27. It featured ten teams in two blocks of five, with the top-two scoring teams of each block advancing to a single-elimination bracket.
On September 9, Cima was injured and was replaced by .
The 2016 Summer Adventure Tag League was held from August 6 to September 10. It featured twelve teams in two blocks of six, with the top-two scoring teams of each block advancing to a single-elimination bracket.
Futa Nakamura suffered an injury just before the start of the tournament, forcing him and his partner Masaaki Mochizuki to forfeit their first three matches.
After a seven-year hiatus, a tag league was held from February 3 to March 2, 2023 under the revived name of . The league featured twelve teams in two blocks of six, with the top-two scoring teams of each block advancing to a single-elimination bracket.
The 2024 was held from March 6 to April 10. It featured twelve teams in two blocks of six, with the top-two scoring teams of each block advancing to a single-elimination bracket.
The 2025 was held from March 2 to March 30. It featured twelve teams in two blocks of six, with the top-two scoring teams of each block advancing to a single-elimination bracket.