Dominion 6.4 in Osaka-jō Hall was a professional wrestling event promoted by New Japan Pro-Wrestling (NJPW) that took place on June 4, 2023, in Osaka, Japan, headlined by SANADA (c) vs. Yota Tsuji for the IWGP World Heavyweight Championship.

The third night of the tournament took place on July 18th, 2023 at Yamagata City General Sports Center in Tendo, Yamagata, Japan.

The fifth night of the tournament took place on July 21st, 2023 at Aore Nagoka in Nagaoka, Niigata, Japan.

The seventh night of the tournament took place on July 25th, 2023 at Korakuen Hall in Bunkyo, Tokyo, Japan.

The ninth night of the tournament took place on July 27th, 2023 at Ota City General Gymnasium in Ōta, Tokyo, Japan.

The eleventh night of the tournament took place on August 1st, 2023 at Takamatsu City General Gymnasium in Takamatsu, Kagawa, Japan.

The first night of G1 Climax 33 took place at Hokkai Kitayell in Toyohira-ku, Sapporo, Japan on July 15th, 2023.

The thirteenth night of the tournament took place on August 5th, 2023 at Edion Arena Osaka in Naniwa-ku, Namba, Osaka, Japan.

The fourteenth night of the tournament took place on August 6th, 2023 at Edion Arena Osaka in Naniwa-ku, Namba, Osaka, Japan.

The fifteenth night of the tournament took place on August 8th, 2023 at Yokohama Budokan in Yokohama, Kanagawa, Japan.