Yota Tsuji’s next IWGP Heavyweight Championship defense is official. After successfully retaining the title against Hirooki Goto at NJPW Destruction in Kobe on September 27, Tsuji will meet 2026 G1 Climax 36 winner Ryohei Oiwa at King of Pro-Wrestling on October 12.

The championship match is scheduled for Ryōgoku Sumo Hall in Tokyo, Japan, one of New Japan Pro-Wrestling’s most important annual settings. Oiwa emerged following Tsuji’s victory over Goto, addressing the reigning champion as the company confirmed the long-awaited title bout.

Oiwa’s G1 Climax victory guaranteed him an IWGP Heavyweight Championship opportunity, but Tsuji first had to survive Goto in Kobe to ensure he would enter Ryōgoku as champion. He did exactly that, defeating the veteran challenger and preserving his place at the top of NJPW heading into a major fall event.

Tsuji Clears a Major Challenge in Kobe

Goto represented a formidable obstacle for Tsuji at Destruction in Kobe. As a longtime NJPW standout with extensive experience in high-pressure championship matches, Goto brought immediate credibility and danger to the defense. Tsuji’s successful result ensured that the IWGP Heavyweight Championship picture would move forward as anticipated: with the G1 winner stepping up to face the man who currently holds the promotion’s premier prize.

For more background on this topic, read Shun Skywalker Wins NJPW World Television Title From Konosuke Takeshita at Destruction in Kobe.

For Tsuji, the win was significant beyond simply adding another successful defense to his reign. A champion’s position can change quickly during the road to a major Ryōgoku Sumo Hall card, particularly when a proven challenger stands across the ring. Tsuji avoided that outcome, retained the title, and now has a little more than two weeks to prepare for a completely different kind of threat in Oiwa.

The result also gives the October 12 main championship attraction added clarity. There will be no question over who owns the title going into King of Pro-Wrestling, and no uncertainty around the G1 winner’s destination. Tsuji is the champion. Oiwa is the tournament winner. Their meeting will settle whether the title remains with its current holder or begins a new chapter under one of NJPW’s rising figures.

Oiwa Brings the G1 Climax Prize to Ryōgoku

Winning the G1 Climax has long carried enormous weight in New Japan Pro-Wrestling. The tournament demands sustained performance against elite competition, and its winner earns a direct route to an IWGP Heavyweight Championship match. Oiwa captured the 2026 G1 Climax 36, putting him in the position to challenge for the title at King of Pro-Wrestling.

That accomplishment gives Oiwa more than momentum. It gives him a defined claim to the championship and places him opposite a champion who has already proven capable of handling a demanding title defense. Oiwa did not need to wait for an open challenge or campaign for consideration. His G1 triumph secured the opportunity, while Tsuji’s victory in Kobe determined the champion he would face.

The post-match confrontation at Destruction in Kobe made the matchup official and provided the next crucial step in the build toward October 12. Tsuji had just emerged from a battle with Goto when Oiwa appeared, bringing the focus of the event immediately toward Ryōgoku. The G1 winner is no longer an approaching possibility for the champion. He is Tsuji’s confirmed next opponent.

For Oiwa, this is the opportunity to convert tournament success into the biggest championship win of his career. G1 victories can define a wrestler’s standing within NJPW, but the title match that follows is where that accomplishment faces its ultimate test. Oiwa will enter Ryōgoku with the prestige of the tournament on his side, but Tsuji will have the championship advantage and the confidence gained from surviving Goto.

A Defining IWGP Heavyweight Championship Match

Tsuji versus Oiwa presents a notable collision between a reigning IWGP Heavyweight Champion and the latest G1 Climax winner. Both men arrive with substantial stakes attached to the result. Tsuji is fighting to continue his reign and reinforce his standing as the central figure in NJPW. Oiwa is seeking to capitalize on the opening he earned through the G1 and take possession of the title that remains the promotion’s foremost prize.

The match also places considerable emphasis on timing. Oiwa’s challenge comes soon after Tsuji’s successful defense against Goto, meaning the champion cannot afford a prolonged recovery period or a lapse in focus. At the same time, the challenger has a firm date and target after earning his shot through the tournament. Every development between Kobe and Ryōgoku will carry relevance as the two prepare for a match with major implications for the remainder of the year.

Ryōgoku Sumo Hall provides an appropriate stage for that type of encounter. The venue has hosted numerous consequential NJPW events and championship moments, and King of Pro-Wrestling now has its top match set around a clear, high-stakes premise. The established champion will try to repel the tournament winner; the G1 victor will attempt to make the leap from contender to IWGP Heavyweight Champion.

Goto’s role in the sequence remains important even in defeat. His challenge compelled Tsuji to prove he could protect the championship before facing the G1 winner. By overcoming Goto, Tsuji denied the possibility of Oiwa meeting a different champion in October. The road to King of Pro-Wrestling is therefore defined by Tsuji’s retention as much as it is by Oiwa’s tournament win.

King of Pro-Wrestling Lineup Takes Shape

With the IWGP Heavyweight Championship bout confirmed, two title matches have been announced for the October 12 card at Ryōgoku Sumo Hall. In addition to Tsuji’s defense against Oiwa, Aaron Wolf is scheduled to defend the NEVER Openweight Championship against Kosei Fujita.

The presence of two championship matches gives the event a strong foundation, with the IWGP Heavyweight title contest positioned as the central attraction. Tsuji and Oiwa carry the larger championship and the G1 Climax story into the show, while Wolf and Fujita will compete over the NEVER Openweight Championship.

As the card approaches, attention will remain fixed on the question raised by Oiwa’s arrival in Kobe: can Tsuji turn away the G1 Climax winner after retaining against Goto, or will Oiwa’s tournament victory lead directly to an IWGP Heavyweight Championship triumph? The answer will come October 12 in Tokyo.

Updated NJPW King of Pro-Wrestling Card for October 12

  • IWGP Heavyweight Championship: Yota Tsuji (c) vs. Ryohei Oiwa
  • NEVER Openweight Championship: Aaron Wolf (c) vs. Kosei Fujita

King of Pro-Wrestling takes place October 12 from Ryōgoku Sumo Hall in Tokyo, Japan.

ABOUT THE AUTHOR

Darryl Polo is a passionate wrestling fan covering WWE, AEW, TNA and beyond. He loves great rivalries, breakout stars and the moments that keep fans talking long after the bell. How we work.