Tokyo, September 28, 2025, The 2025 Aki Basho, held from September 14 to 28 at Ryōgoku Kokugikan in Tokyo, concluded with a historic victory as Yokozuna Onosato secured his first Emperor’s Cup with a 13–2 record. This triumph not only marked a personal achievement for Onosato but also underscored a significant moment in sumo history, as he became the first Japan-born wrestler to reach the rank of yokozuna since Kisenosato in 2017 The Guardian.
Key Highlights
Onosato’s Championship Victory
- Yokozuna Onosato clinched the top division title with a 13–2 record, defeating Hoshoryu in a highly anticipated final-day bout. This victory solidified his position as the sport’s premier wrestler Wikipedia.
Notable Performances
- Kotozakura, the sole ōzeki in the tournament, finished with a 2–3 record, indicating a challenging tournament for the veteran wrestler Sumo Reference.
- Wakatakakage, a sekiwake, concluded the tournament with a 3–2 record, showcasing resilience and determination Sumo Reference.
Tournament Structure & Prelude
- The Aki Basho followed the standard 15-day format, with matches spanning all divisions: Makuuchi, Jūryō, Makushita, Sandanme, Jonidan, and Jonokuchi 日本相撲協会公式サイト.
- The banzuke (ranking sheet) for the tournament was released prior to the event, detailing the matchups and expectations for each wrestler Sumo Reference.
What This Means for Sumo
Onosato’s victory at the Aki Basho signifies a new era in sumo, with a Japan-born wrestler ascending to the top rank. His rapid rise through the ranks and subsequent championship win have reinvigorated the sport and set the stage for future competitions The Guardian.
Final Thoughts
The 2025 Aki Basho was a testament to the evolving landscape of sumo wrestling. Onosato’s championship victory not only marked a personal milestone but also symbolised the resurgence of Japanese talent at the pinnacle of the sport. As sumo continues to grow both domestically and internationally, the Aki Basho will be remembered as a defining moment in its rich history.
Sources & Accreditation
- Nihon Sumo Kyokai – Official Tournament Results
- Wikipedia – 2025 in Sumo
- The Guardian – Onosato Promoted to Yokozuna After Record-Setting Ascent in Sumo


