Styles at Dominion 7.5 in Osaka-jo Hall,[12] while Tanahashi became the number one contender at the Tokyo Dome by winning the 2015 G1 Climax, defeating Shinsuke Nakamura in the final on August 16.

[16][17] The second match for Wrestle Kingdom 10 was set up on November 7, 2015, after Shinsuke Nakamura had retained the IWGP Intercontinental Championship against Karl Anderson at Power Struggle.

[22] Styles was pulled from NJPW's end-of-the-year World Tag League due to a back injury, but it was announced that he would be returning at Wrestle Kingdom 10.

[25] The first took place on July 5, 2015, at Dominion 7.5 in Osaka-jo Hall, where Kushida, the winner of the 2015 Best of the Super Juniors tournament, defeated Omega to win the title.

[22] The IWGP Junior Heavyweight Tag Team Championship would be defended in a four-way match, where the reigning champions reDRagon (Bobby Fish and Kyle O'Reilly) were set to take on Matt Sydal and Ricochet, Roppongi Vice (Baretta and Rocky Romero) and The Young Bucks (Matt Jackson and Nick Jackson).

Sydal and Ricochet earned their title shot on November 7 by defeating Roppongi Vice to win the 2015 Super Jr. Tag Tournament.

Roppongi Vice had eliminated the reigning IWGP Junior Heavyweight Tag Team Champions from the tournament, while The Young Bucks felt they deserved a rematch with reDRagon,[20] having lost the title to them on August 16.

[24][28] Wrestle Kingdom 10 also featured a match for the IWGP Tag Team Championship with Bullet Club's Doc Gallows and Karl Anderson defending against G.B.H.

[29] Makabe and Honma earned their title shot on December 9 by defeating Los Ingobernables de Japón (Evil and Tetsuya Naito) to win the 2015 World Tag League.

[30] That same day ROH World Champion Jay Lethal appeared in a video, requesting a challenger for a title match at Wrestle Kingdom 10.

[33] Also announced was the Bullet Club trio of Bad Luck Fale, Tama Tonga and Yujiro Takahashi taking on Toru Yano and two mystery partners and the second annual New Japan Rumble, occurring on the pre-show.

[44] In the end, Jado, who was accompanied by Momoiro Clover Z member Momoka Ariyasu, eliminated Ryusuke Taguchi to win the match.

[43][45] In the second match, Toru Yano and the debuting Jay and Mark Briscoe became the inaugural NEVER Openweight 6-Man Tag Team Champions with a win over Bullet Club's Bad Luck Fale, Tama Tonga and Yujiro Takahashi.

[43][47] In the fourth match of the event, Kushida won the IWGP Junior Heavyweight Championship for the third time by defeating Kenny Omega.

[1][50] In the seventh match of Wrestle Kingdom 10, Katsuyori Shibata won his first singles title in NJPW by defeating Tomohiro Ishii for the NEVER Openweight Championship.

[56] Dave Meltzer of the Wrestling Observer Newsletter called the main event "incredible", stating that it felt like a "classic passing of the torch" from Tanahashi to Okada.

Styles, Doc Gallows, Karl Anderson and Shinsuke Nakamura had all given their notice to NJPW on the morning of January 4, announcing that they were leaving the promotion and joining WWE.

[64][67] On January 5, WWE released an article on its official website, discussing the rumors of Styles, Nakamura, Anderson and Gallows joining the promotion.

At Money in the Bank, Styles retained the WWE Championship by defeating Nakamura in a Last Man Standing match, ending their feud.

The New Beginning in Osaka on February 11 featured two rematches from the show, where Bad Luck Fale, Tama Tonga and Yujiro Takahashi defeated Jay Briscoe, Mark Briscoe and Toru Yano to capture the NEVER Openweight 6-Man Tag Team Championship and Katsuyori Shibata successfully defended the NEVER Openweight Championship against Tomohiro Ishii.

[75] In March, Tetsuya Naito won the 2016 New Japan Cup, defeating Hirooki Goto in the final in a rematch from Wrestle Kingdom 10.

[76] On April 10 at Invasion Attack, Naito defeated Kazuchika Okada with help from Los Ingobernables de Japón, including the debuting Seiya Sanada, to win the IWGP Heavyweight Championship for the first time in front of a Ryōgoku Kokugikan crowd that was firmly behind him.

[79] At 46 minutes and 45 seconds, the main event was the longest match in January 4 Tokyo Dome Show history and was awarded a six-star rating by Dave Meltzer.