KNOCK OUT Summer Jam in Osaka hosts feather‑weight title bouts and weigh‑ins

The KNOCK OUT Summer Jam event is set for August 8, 2026 at the Takeda Hamabiki Coliseum in Osaka, Japan, with a live broadcast on U‑NEXT. The day before the show, feather‑weight contender Naito Ryota cleared the weigh‑in at 57.25 kg and announced his intent to fight aggressively for three three‑minute rounds. In the women's atom‑weight division, fighter Kazeha also passed her weigh‑in at 45.80 kg and pledged to deliver an exciting performance.

In a separate interview, “Jin” (known as “狂拳” Jin) of the WIZARD Kickboxing Gym, who entered the RED feather‑weight title fight with four consecutive first‑round knockouts, expressed confidence ahead of his bout against Thai opponent Slasak of the Kuru Daiji Gym. He discussed his training, mental preparation, and personal motivation, noting that recent life events, including the birth of his daughter, have heightened his resolve to win the championship belt.