Collazo vs Shigeoka

When is Collazo vs Shigeoka?

Oscar Collazo could face Ginjiro Shigeoka in Autumn/Fall 2026 the United States.

The fight would be scheduled for 12 rounds in the Minimumweight division, which means the weight limit would be 105 pounds (7.5 stone or 47.6 kg).

The contest would be for the unified minimumweight championship of the world, with the WBO, and IBF belts on the line.

Collazo would be making his 3rd defense of the The Ring Strawweight Championship. He won this belt against Thammanoon Niyomtrong in November 2024. He has held this belt for 1 year, 4 months and 1 day.

He would be making his 8th defense of the WBO World Minimumweight Championship. He won this belt against Melvin Jerusalem in May 2023. He has held this title for 2 years, 9 months and 21 days.

Also, on the line would be his 3rd defense of the WBA Super World Minimumweight Championship. He won this belt against Thammanoon Niyomtrong in November 2024. He has been recognised as this champion for 1 year, 4 months and 1 day.

Collazo vs Shigeoka stats

Oscar Collazo would step into the ring with an undefeated record of 14 wins, zero losses, and 0 draws, 11 of those wins coming by way of knockout.

Ginjiro Shigeoka would make his way to the ring with a record of 11 wins, 2 losses and 0 draws, with 9 of those wins by knockout.

The stats suggest Shigeoka would have a slight advantage in power over Collazo, with a 82% knockout percentage compared to Collazo's 79%.

Oscar Collazo is the older man by 3 years, at 29 years old.

Collazo has a 2-inch reach advantage.

Both Oscar Collazo and Ginjiro Shigeoka fight out of a southpaw stance.

Collazo is currently arguably the more experienced fighter, having had 1 more fights, and made his debut in 2020, 2 years and 2 months later than Shigeoka, whose first professional fight was in 2018. He has fought 10 more professional rounds, totaling 84 compared to Shigeoka's 74.

Collazo vs Shigeoka form

Collazo remains undefeated as a professional, stopping 3 of his last 5 opponents.

In his last fight, he defeated Jesus Haro on March 14, 2026, by in the 6th round in their WBO World Minimumweight, The Ring Strawweight and WBA Super World Minimumweight championship fight at Honda Center, Anaheim, United States.

Prior to that, he had defeated Jayson Vayson on September 20, 2025, by technical knockout in the 7th round in their WBO World Minimumweight championship fight at Fantasy Springs Casino, Indio.

Going into that contest, he had beaten Edwin Cano on March 29, 2025, by knockout in the 5th round in their WBO World Minimumweight, The Ring Strawweight and WBA Super World Minimumweight championship fight at Cancun, Quintana Roo, Mexico.

Before that, he had won against Thammanoon Niyomtrong on November 16, 2024, by knockout in the 7th round in their WBO World Minimumweight, WBA Super World Minimumweight and The Ring Strawweight championship fight at The Venue Riyadh Season, Riyadh, Saudi Arabia.

He had beaten Gerardo Zapata on June 7, 2024, by unanimous decision in their WBO World Minimumweight championship fight at Turning Stone Resort Casino, Verona, United States.

Ginjiro Shigeoka has stopped 3 of his last 5 opponents.

In his last fight, he lost to Pedro Taduran on May 24, 2025, by split decision in their IBF World Minimumweight championship fight at Intex Osaka, Osaka, Japan.

Prior to that, he had been beaten by Pedro Taduran on July 28, 2024, by technical knockout in the 9th round in their IBF World Minimumweight championship fight at Shiga Daihatsu Arena, Otsu.

Going into that contest, he had defeated Jake Amparo on March 31, 2024, by knockout in the 2nd round in their IBF World Minimumweight championship fight at Nagoya International Conference Center Event Hall, NAGOYA.

Before that, he had won against Daniel Valladares on October 7, 2023, by technical knockout in the 5th round in their IBF World Minimumweight championship fight at Ota-City General Gymnasium, Tokyo.

He had defeated Rene Mark Cuarto on April 16, 2023, by knockout in the 9th round in their IBF Interim World Minimumweight championship fight at Yoyogi #2 Gymnasium, Tokyo.

Activity check

In terms of recent activity, Oscar Collazo has been fighting more than Ginjiro Shigeoka.

Oscar Collazo last fought 6 months and 16 days ago, while Ginjiro Shigeoka's last outing was 1 year, 4 months and 6 days ago.

Collazo's last 5 fights have come over a period of 2 years, 3 months and 23 days, which means he has been fighting approximately every 5 months and 18 days. In those fights, he fought a total of 37 rounds, meaning that they have lasted 7.4 rounds on average.

Shigeoka's last 5 fights have come over a period of 3 years, 5 months and 14 days, meaning he has been fighting on average every 8 months and 9 days. In those fights, he fought a total of 37 rounds, meaning that they have lasted 7.4 rounds on average.

What are the odds on Collazo vs Shigeoka?

Sorry, we couldn’t find any odds for Collazo vs Shigeoka yet. If odds are not available initially after the fight is announced, bookmakers usually release them closer to the day of the fight.