In the main event of night 1, Kazuchika Okada defeated Jay White to win the IWGP World Heavyweight Championship.
In other prominent matches, Kenny Omega defeated Will Ospreay to win the IWGP United States Heavyweight Championship, Keiji Muto teamed with Hiroshi Tanahashi and Shota Umino to defeat Los Ingobernables de Japon (Tetsuya Naito, Sanada and Bushi) in Muto's final NJPW match, and Kairi defeated Tam Nakano to retain the IWGP Women's Championship – following the match, Mercedes Moné, formerly known as Sasha Banks in WWE, made her NJPW debut.
The event's first night also notably featured appearances from wrestlers signed to All Elite Wrestling, WWE, NJPW's sister promotion World Wonder Ring Stardom, and Noah.
In other prominent matches, Shingo Takagi defeated Katsuhiko Nakajima, Kazuchika Okada and Togi Makabe wrestled Kaito Kiyomiya and Yoshiki Inamura to a no contest, and Hiroshi Tanahashi teamed with Takashi Sugiura, Toru Yano and Satoshi Kojima to defeat Bullet Club (El Phantasmo, Kenta and Gedo) and Naomichi Marufuji.
[11] At Dominion 6.12 in Osaka-jo Hall, Bullet Club leader Jay White defeated Kazuchika Okada to win the IWGP World Heavyweight Championship.
[12] Okada would later win the G1 Climax for a fourth time (and becoming a back-to-back winner), earning himself another title shot and the main event of Wrestle Kingdom.
White defended the title against former Bullet Club original Tama Tonga at Declaration of Power, setting up his and Okada's rematch for the main event of Wrestle Kingdom.
[13] Also at Declaration of Power, New Japan Pro-Wrestling president & CEO Takami Ohbari and TV Asahi representative Hiroyoki Mihira announced the creation of the NJPW World Television Championship.
[14] The title's first champion was determined in a sixteen-man single-elimination tournament, which began on October 14, 2022, at night 1 of Battle Autumn, and will conclude at Wrestle Kingdom.
[17] After Will Ospreay defended the IWGP United States Heavyweight Championship at Historic X-Over, his celebration was interrupted by a video from AEW's Kenny Omega.
[18] On November 20, at Historic X-Over, Kairi defeated Mayu Iwatani in the finals of a seven-woman single-elimination tournament to become the inaugural IWGP Women's Champion.
Ishimori, who wanted to establish himself as the "big one" in the junior heavyweight division, decided to defend his title against both competitors and Wato at Wrestle Kingdom in a four-way match.
The belt will be presented to the first provisional champion of 2023, to be determined in the New Japan Rumble, with the last four competitors competing in a four-way match at New Year Dash!!
[24] The second pre-show match was the New Japan Rambo to determine the number one contender for the Provisional KOPW 2023 Championship at New Year Dash!!.
[24] In the main event of the pre-show of Night 1, Yuji Nagata, Satoshi Kojima and Togi Makabe teamed up to take on Tatsumi Fujinami, Minoru Suzuki and Tiger Mask in the Antonio Inokie Memorial match.
[24] The fourth match was to determine the inaugural NJPW World Television Champion, contested between Zack Sabre Jr. and Ren Narita.
[24] In the tenth match, Hiromu Takahashi, Taiji Ishimori, El Desperado and Master Wato squared off for the IWGP Junior Heavyweight Championship.
Omega performed a straight jacket German suplex, the Kamigoye and the One Winged Angel to pickup the victory and the title.
(NJPW 1 vs. Noah 0) The main event of the pre-show saw Masa Kitamiya and Daiki Inaba take on Tomohiro Ishii and Oskar Leube.
The opening contest was Hiroshi Tanahashi, Toru Yano, Satoshi Kojima and Takashi Suguira taking on Naomichi Marufuji, Kenta, El Phantasmo and Gedo.
(NJPW 2 vs. NOAH 1) Next, Alejandro, Junta Miyawaki and Amakusa took on Master Wato, Ryusuke Taguchi and Tiger Mask.
Bushi used the mist on Tadasuke, but he replied with a crucifix pin for the win (NJPW 2 vs. NOAH 3; LIJ 0 vs. Kongo 1) The eighth match saw Hiromu Takahashi face Hajime Ohara.