Junto Nakatani’s first night campaigning at super-bantamweight proved to be anything but routine as the Japanese star was forced into a gruelling twelve-round examination by a fearless Sebastian Hernandez in Riyadh.

Fighting at the Mohammed Abdo Arena on December 27, 2025, Nakatani ultimately emerged with a unanimous decision victory, but the scorecards only told part of a contest that swung dramatically as the rounds wore on. Two judges returned scores of 115–113, while a wider third card sparked debate among observers who felt the bout was far tighter than the numbers suggested.

The early stages followed a familiar pattern for Nakatani, who boxed with calm authority and sharp timing despite stepping up in weight for the first time. The southpaw’s reach and footwork allowed him to dictate range, landing clean shots through the middle while limiting Hernandez’s opportunities to counter. It echoed the confidence he showed in his previous outing back in June, when he dismantled Ryosuke Nishida inside six rounds to claim the Ring Magazine bantamweight title and unify belts in emphatic fashion.

Hernandez, however, was never content to play a supporting role. The unbeaten Mexican steadily increased his work rate after the opening rounds, applying relentless pressure and forcing exchanges at close quarters. His willingness to take risks transformed the fight, dragging Nakatani into a demanding physical battle that tested stamina as much as skill.

From the middle rounds onwards, the tempo rose sharply. Hernandez poured forward with volume, targeting the body and refusing to be discouraged by the champion’s accuracy. Nakatani continued to land the cleaner blows, particularly with his uppercuts and straight lefts, but he was no longer enjoying the comfort of the early sessions. Swelling around his eye was evidence of the challenger’s persistence, as the crowd sensed momentum shifting.

The championship rounds were fought at a punishing pace. Hernandez’s output never dipped, while Nakatani relied on composure and ring intelligence to stay ahead on the scorecards. Rather than chasing a finish, the Japanese fighter focused on movement and precision, aware that every exchange carried danger against an opponent growing in belief.

When the final bell sounded, both men had emptied the tank. The decision went Nakatani’s way, preserving his unbeaten record and confirming a successful, if taxing, debut at 122 pounds. While the margin of victory will be debated, few could question the quality of the contest or the resilience shown by both fighters.

In the end, the judges sided with class and consistency over pressure and volume, awarding the contest to Junto Nakatani after twelve absorbing rounds against Sebastian Hernandez.

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In a stunning display of power and precision, Junto Nakatani successfully defended his WBC bantamweight title against challenger Vincent Astrolabio at the iconic Ryōgoku Kokugikan in Tokyo. The highly anticipated bout, which took place on July 20, 2024, ended in dramatic fashion with a first-round knockout that left fans and pundits alike in awe.

The Japanese champion wasted no time asserting his dominance in the ring. From the opening bell, Nakatani’s superior technique and ringcraft were evident. He masterfully controlled the distance, using his reach advantage to keep Astrolabio at bay with a stinging jab.

As the round progressed, Nakatani began to open up his offense. With just seconds remaining in the first round, he unleashed a devastating left hand to Astrolabio’s midsection. The perfectly placed body shot sent the Filipino challenger crumpling to the canvas, unable to beat the count.

This victory marks Nakatani’s ninth stoppage win in his last eleven fights, further cementing his reputation as one of boxing’s most formidable finishers. The win improved his professional record to an impressive 28-0, with 21 of those victories coming by way of knockout.

For Astrolabio, this defeat marks a setback in his quest for world championship glory. The Filipino fighter had previously come close to capturing gold, narrowly losing a majority decision to Jason Moloney in a title bout last year.

Nakatani’s emphatic victory sends a clear message to the rest of the bantamweight division. With all four major world titles currently held by Japanese fighters, talks of unification bouts are already swirling. Potential matchups against fellow champions Yoshiki Takei, Ryosuke Nishida, or Takuma Inoue could be on the horizon.

Perhaps most intriguingly, Nakatani’s continued dominance has reignited speculation about a potential super fight with the legendary Naoya Inoue. Such a clash between two of Japan’s most electric talents would undoubtedly capture the imagination of boxing fans worldwide.

As Nakatani continues to establish himself as a force to be reckoned with in the bantamweight division, all eyes will be on his next move. One thing is certain: the boxing world eagerly awaits the next chapter in the rising star’s career.

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In a thrilling but short-lived contest, Junto Nakatani successfully defended his WBO flyweight championship against Angel Acosta at Casino Del Sol’s AVA Amphitheatre in Tucson, Arizona. The bout, which took place on the undercard of the Oscar Valdez-Robson Conceicao fight, ended in a technical knockout victory for Nakatani early in the fourth round.

The Japanese champion, making his first title defence outside his home country, showcased his power and precision from the opening bell. Nakatani’s striking accuracy was evident as he landed a devastating left hand that visibly shook Acosta in the first round. The Puerto Rican challenger’s nose began bleeding profusely, setting the tone for the rest of the fight.

As the bout progressed, Acosta’s nose injury worsened, leading to multiple medical checks by the ringside physician. Despite the challenger’s determination and occasional flurries of offense, the continuous blood loss became a significant concern for officials.
Referee Rocky Burke halted the action 32 seconds into the fourth round, declaring Nakatani the winner by TKO. The stoppage came after consultation with medical staff, who deemed it unsafe for Acosta to continue due to the severity of his injury.

With this victory, Nakatani improved his undefeated record to 22-0 with 17 knockouts, solidifying his position as one of the top fighters in the flyweight division. The champion expressed his desire to unify the titles in his post-fight interview, hinting at potential blockbuster matchups in the future.

For Acosta, a former light flyweight titleholder, the loss marked a setback in his quest for a second world championship. His record now stands at 22-3, with 21 of his wins coming by knockout.

This explosive encounter, though brief, highlighted Nakatani’s growing star power and raised questions about potential unification bouts in the 112-pound weight class. Boxing fans around the world will undoubtedly be eager to see what’s next for the hard-hitting Japanese champion.

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