OSAKA, Japan — October 18, 2026 — Jyosei Izumi claimed the ISKA All Japan Bantamweight Muay Thai Championship following a unanimous decision victory over Banna Hayashi at NJKF West 4th, held at Saksai City Hall in Osaka, Japan.

Presented by Toshimasa Yukimoto, the event featured ISKA Championship Muay Thai, bringing another significant national title contest to Japan’s competitive combat sports scene.

Competing for the ISKA All Japan Bantamweight Championship at 55kg, Izumi faced Hayashi in a closely contested championship bout that went the distance.

After five rounds of action, Izumi secured the victory on all three judges’ scorecards, earning scores of 48-45, 48-45 and 49-45 to capture the prestigious ISKA national title.

The unanimous decision crowned Jyosei Izumi as the new ISKA All Japan Bantamweight Muay Thai Champion, marking an important achievement in his competitive career.

The championship victory adds another chapter to Japan’s strong tradition of Muay Thai competition and highlights the continued presence of ISKA-sanctioned championship events throughout the country.

Official ISKA Championship Result

ISKA All Japan Bantamweight Muay Thai Championship — 55kg

Jyosei Izumi (Japan) def. Banna Hayashi (Japan)

Result: Unanimous Decision (48-45, 48-45, 49-45)

**Winner and New ISKA All Japan Bantam