When is Ioka vs Ancajas?
Kazuto Ioka could square off against Jerwin Ancajas in Summer 2026 Japan.
The fight would take place over 12 rounds in the Super Flyweight division, which means the weight limit would be 115 pounds (8.2 stone or 52.2 kg).
The contest would be for the unified super flyweight championship of the world, with the IBF, and WBO belts on the line.
Ioka vs Ancajas stats
Kazuto Ioka would step into the ring with a record of 32 wins, 4 losses, and 1 draw, 17 of those wins coming by way of knockout.
Jerwin Ancajas would make his way to the ring with a record of 37 wins, 4 losses and 2 draws, with 24 of those wins by knockout.
The stats suggest Ancajas would have an advantage in power over Ioka, with a 65% knockout percentage compared to Ioka's 53%.
Kazuto Ioka is the older man by 2 years, at 36 years old.
Ancajas has a height advantage of 1 inch over Ioka. This also extends to a 1-inch reach advantage.
Both Kazuto Ioka and Jerwin Ancajas fight out of an orthodox stance.
Ioka's experience as a professional fighter is currently relatively equal to Ancajas', having had 6 fewer fights, and made his debut in 2009, 3 months earlier than Ancajas, whose first professional fight was in 2009. He has fought 75 more professional rounds, totaling 347 compared to Ancajas' 272.
Ioka vs Ancajas form
Ioka has beaten 3 of his last 5 opponents, stopping 2 of them, going the distance once.
In his last fight, he won against Maikel Ordosgoitti on December 31, 2025, by knockout in the 4th round in their WBA World Bantamweight eliminator fight at Ota-City General Gymnasium, Tokyo, Japan.
Prior to that, he had been beaten by Fernando Martinez on May 11, 2025, by unanimous decision in their WBA World Super Flyweight championship fight at Ota-City General Gymnasium, Tokyo.
Going into that contest, he had lost to Fernando Martinez on July 7, 2024, by unanimous decision in their WBA World Super Flyweight and IBF World Junior Bantamweight championship fight at Ryogoku Kokugikan, Tokyo.
Before that, he had won against Josber Perez on December 31, 2023, by knockout in the 7th round in their WBA World Super Flyweight championship fight at Ota-City General Gymnasium, Tokyo.
He had beaten Joshua Franco on June 24, 2023, by unanimous decision in their WBA World Super Flyweight championship fight at Ota-City General Gymnasium, Tokyo.
Ancajas has beaten 2 of his last 5 opponents, stopping 1 of them, going the distance once.
In his last fight, he defeated Ruben Dario Casero on August 2, 2025, by majority decision in their 8 round contest at Thunder Studios, Long Beach, United States.
Prior to that, he had been beaten by Takuma Inoue on February 24, 2024, by knockout in the 9th round in their WBA World Bantamweight championship fight at Kokugikan, Tokyo, Japan.
Going into that contest, he had defeated Wilner Soto on June 24, 2023, by technical knockout in the 5th round at Armory, Minneapolis, United States.
Before that, he had lost to Fernando Martinez on October 8, 2022, by unanimous decision in their 12 round contest at Home Depot Center, Carson.
He had been beaten by Fernando Martinez on February 26, 2022, by unanimous decision in their IBF World Junior Bantamweight championship fight at Cosmopolitan of Las Vegas, Nevada.
Activity check
In terms of recent activity, Kazuto Ioka has been fighting more than Jerwin Ancajas.
Kazuto Ioka last fought 6 months and 15 days ago, while Jerwin Ancajas' last outing was 11 months and 14 days ago.
Ioka's last 5 fights have come over a period of 3 years and 22 days, which means he has been fighting approximately every 7 months and 11 days. In those fights, he fought a total of 47 rounds, meaning that they have lasted 9.4 rounds on average.
Ancajas' last 5 fights have come over a period of 4 years, 4 months and 20 days, meaning he has been fighting on average every 10 months and 16 days. In those fights, he fought a total of 46 rounds, meaning that they have lasted 9.2 rounds on average.
What are the odds on Ioka vs Ancajas?
Sorry, we couldn’t find any odds for Ioka vs Ancajas yet. If odds are not available initially after the fight is announced, bookmakers usually release them closer to the day of the fight.