Following the name of the champion(s): Indicates the number of times the wrestler has held that title at that point.
[...]
Indicates a gap in the listing where title changes are not known.
*
If used next to the names of the wrestlers, they may, in fact, not have held the title in the period indicated. If used next to the dates or places, either they are possibly wrong or the title changes are fictitious.
<
Title was held or changed hands no later than this. In these cases, it is known that a wrestler held the title at a certain time but not when he/she won it.
+
Broadcast date; the actual recording date is unknown.
@
Order uncertain. Different titleholders may be known for the same year, for example, but it is not known who held the title before whom.
#
Unofficial or disputable claims. These are usually matches that certainly took place, but where there is doubt that the wrestler shown should be recognized as a true title holder. These listings are also italicized in HTML files
INTERNATIONAL WRESTLING GRAND PRIX
WORLD HEAVYWEIGHT TITLE
Ibushi Kōta
2021-03-04
Tōkyō
Defeats El Desperado to retain and IWGP Heavyweight and Intercontinental titles and is recognized as the first unified world champion.
Will Ospreay
2021-04-04
Tōkyō
Vacates on 21-05-20 due to the neck injury suffered during the match on 21-05-04.
Takagi Shingo
2021-06-07
Ōsaka
Defeats Okada Kazuchika.
Okada Kazuchika
2022-01-04
Tōkyō
Jay White
2022-06-12
Ōsaka
Okada Kazuchika [2]
2023-01-04
Tōkyō
SANADA
2023-04-08
Tōkyō
Naitō Tetsuya
2024-01-04
Tōkyō
Jon Moxley (Dean Ambrose)
2024-04-12
Chicago, IL, USA
Naitō Tetsuya [2]
2024-06-30
Elmont, NY, USA
Zack Sabre Jr.
2024-10-14
Tōkyō
Gotō Hiro-oki
2025-02-11
Ōsaka
Zack Sabre Jr. [2]
2025-06-29
Nagoya
Kōnosuke Takeshita
2025-10-13
Tōkyō
Tsuji Yōta
2026-01-04
Tōkyō
Global champion, wins a double title match to win the World Title, which is officially disunified into IWGP Heavyweight and Intercontinental titles on 26-01-06, with Tsuji as the official 87th IWGP heavyweight champion.
