The countdown is on for
RIZIN 51, taking place September 28, 2025, at IG Arena in Aichi, Japan. The card is stacked with double title fights, Grand Prix semifinals, and a heavyweight showdown that could reshape the division. Fans of
RIZIN Fighting Federation know that when this promotion goes big, the spectacle always delivers.
Double Title Fights at RIZIN 51
In the lightweight division, champion
Roberto de Souza returns to defend his crown against surging contender
Yoshinori Horie in a matchup that promises pure fireworks. This clash between elite grappling and high-level striking is one of the most anticipated fights of the year. Full details:
Satoshi vs Horie.
The co-main event features featherweight champion
Razhabali Shaydullaev putting his belt on the line against veteran
Viktor Kolesnik, a proven finisher hungry to shock the world. See the official bout listing:
Shaydullaev vs Kolesnik.
Grand Prix Action & Heavyweight Chaos
RIZIN 51 also brings semifinal action in the Flyweight Grand Prix, as well as the next step in the Heavyweight GP. One fight to watch is
Marek Samociuk vs Alexander Soldatkin, where raw power meets endurance. On the international front, bantamweight veteran
Shoko Sato collides with
Danny Sabatello in a cross-promotional battle:
Sato vs Sabatello.
Fans should also keep an eye on
Makoto Shinryu vs
Yuki Motoya, a high-stakes showdown with title implications:
Motoya vs Shinryu.
Learn More About RIZIN
For newer fans, check out our full explainer on
What is RIZIN? — a deep dive into the Japanese MMA promotion that blends sport, spectacle, and history unlike any other.
And if you want to relive legendary moments, don’t miss our feature on the
Top 5 RIZIN Fights of All Time, which includes Roberto de Souza’s rise among the greatest fights in company history.
RIZIN 51 is not just another card — it’s the next chapter in a promotion that continues to shape the future of MMA.