Tszyu vs Diaz

Who won Tszyu vs Diaz?

Nikita Tszyu beat Oscar Diaz by on Wednesday, May 6th, 2026, at Newcastle Entertainment Centre, Broadmeadow.

The scorecards were announced as 60-52, 60-52, 60-52 in favor of winner Nikita Tszyu.

The fight was scheduled to take place over 10 rounds in the Super Welterweight division, which meant the weight limit was 154 pounds (11 stone or 69.8 kg).

Tszyu vs Diaz stats

Nikita Tszyu stepped into the ring with an undefeated record of 11 wins, zero losses, and 0 draws.

Oscar Diaz made his way to the ring with an unblemished record of 16 wins and 0 draws.

Nikita Tszyu was the older man by 3 years, at 28 years old.

Nikita Tszyu fought out of the southpaw stance, while Oscar Diaz was an orthodox fighter.

Tszyu was the less experienced professional fighter, having had 5 fewer fights, and made his debut in 2022, 2 years and 5 months later than Diaz, whose first professional fight was in 2019. He had fought 36 fewer professional rounds, totaling 57 compared to Diaz's 93.

Nikita Tszyu went into the fight ranked number 9 by the WBO, and 6 by the IBF at super welterweight.

Oscar Diaz was ranked number 15 by the WBO in the 154lb division.

Tszyu vs Diaz form

Tszyu remained undefeated as a professional, stopping 2 of his recent opponents.

In his last fight leading up to this contest, his contest against Michael Zerafa on January 16, 2026 ended in a no contest at Brisbane Entertainment Centre, Brisbane, Australia.

Prior to that, he had won against Lulzim Ismaili on August 20, 2025, by in the 1st round at ICC Exhibition Centre, Sydney.

Going into that contest, he had beaten Koen Mazoudier on August 28, 2024, by technical knockout in the 9th round at ICC Sydney Theatre, Sydney.

Before that, he had defeated Danilo Creati on April 24, 2024, by unanimous decision in their 10 round contest at Hordern Pavilion, Sydney.

He had won against Dylan Biggs on November 22, 2023, by technical knockout in the 5th round at Newcastle Entertainment Centre, Broadmeadow, Newcastle.

Activity check

Tszyu's last 5 fights had come over a period of 2 years, 5 months and 14 days, which means he had been fighting approximately every 5 months and 28 days. In those fights, he fought a total of 26 rounds, meaning that they had lasted 5.2 rounds on average.

What time did Tszyu vs Diaz start?

The fighters were expected to ringwalk at around 12:00 PM UTC at Newcastle Entertainment Centre, Broadmeadow, Australia, which was 8:00 AM EST or 5:00 AM PST on the West Coast of America, or 1:00 PM BST in the UK.

What were the odds on Tszyu vs Diaz?

Nikita Tszyu was a 2/13 (-670) favorite going into the contest, while Oscar Diaz made his way into the ring at 4/1 (+400) with oddsmakers.