Wrestle-1 Tag League

The Wrestle-1 Tag League is a professional wrestling round-robin tag team tournament held by Wrestle-1. It was created in 2014. Originally known as the Tag League Greatest in 2014. The tournament was given its current name in June 2017. The inaugural tournament, was held to determine the first Wrestle-1 Tag Team Champions, which was won by Kaz Hayashi and Shuji Kondo who also becamethe longest reigning Wrestle-1 Tag Team Champions.

The Wrestle-1 Tag League is held under a round-robin system, with two points for a win, one for a draw and none for a loss. The teams finishing atop the points standings in the two blocks advance to the knockout stage, where the winner is determined in a head-to-head match. Matches in the Wrestle-1 Tag League have a 30-minute time limit, which is the same as matches for Wrestle-1's Wrestle-1 Tag Team Championship.

List of winners
{| class="wikitable" !Year !Winners !Total Won
 * 2014 || Kaz Hayashi and Shuji Kondo || 1
 * 2017 || TBD || N/A
 * 2017 || TBD || N/A
 * 2017 || TBD || N/A

2014
The 2014 Tag League Greatest featured two blocks containing five participants each and took place between November 15 and 30, 2014. The winners of the tournament would become the inaugural Wrestle-1 Tag Team Champions. The two blocks containing the ten participating teams were revealed on November 3. The teams were later given official team names on November 14. Held under a points system, with two points for a win, one for a draw and none for a loss. The top two teams from each block would advance to the knockout stage. Matches in the tournament had a 30-minute time limit, which is the same as matches for Wrestle-1. On November 27, Seiki Yoshioka pulled out of the tournament with a knee injury, forcing his team to forfeit their final match in the tournament. On November 30, Team 246 (Kaz Hayashi and Shuji Kondo) defeated the new Wild order (Akira and Manabu Soya) in the finals to win the tournament and become the inaugural Wrestle-1 Tag Team Champions And Won His First Tag League Greatest.

2017
On June 14, Wrestle-1 announced the creation of the Wrestle-1 Tag League in the fall.