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Fight Preview

Nikita Tszyu vs Oscar Diaz

May 6, 2026

Professional boxing profile photo of Nikita Tszyu

Nikita Tszyu

Record: 11 wins, 0 losses, 0 draws

Australia

Professional boxing profile photo of Oscar Diaz

Oscar Diaz

Record: 16 wins, 0 losses, 0 draws

Spain

The Gym Rat

The Gym Rat's Prediction

Pick

Nikita Tszyu

Method

Stoppage

Reasoning

I think it’s fair to say that Oscar Diaz probably hasn’t faced the kind of quality opposition that Nikita Tszyu has, although it is decent Australian domestic-level opposition, nothing more than that. I think the level of opposition faced, plus home advantage, means Tszyu has to be favoured to win. 

Tszyu already has an 83% knockout ratio, so I think it’s fair to say that, although Diaz has never been beaten, let alone stopped, this may be the occasion when he suffers his first stoppage defeat. 

 

Those with a better chance against the 28-year-old from Sydney are those with heavy hands, as he has, but Diaz has only six stoppage wins in 16 fights and appears to rely more on his boxing or high output than on his power, which I suspect is why Tszyu’s handlers have picked him.

Unless Diaz has special talents that have remained under the surface, and we are all in for a big surprise, I feel that this will be an early to mid-round stoppage win for Tszyu. 

Fight Details

Fight

Nikita Tszyu vs Oscar Diaz

Date & Time

Wednesday, May 6th, 2026

Championship

WBO International Super Welterweight Title

Venue

Newcastle Entertainment Centre, Newcastle, Australia

How to Watch

FOX, Kayo Sports & Main Event

Promoter

No Limit Boxing Promotions

Betting Odds

Provided by DraftKings · American odds

Nikita Tszyu
-700
Oscar Diaz
+450

Odds subject to change. Gambling Problem? Call 1-800-GAMBLER

Undercard

Jack Bowen VS Tonga Tongotongo
Callum Peters VS TBA
Rahim Mundine VS Lance McDonald
Brandon Grach VS TBA
Brent Walton VS Jayden Vasica
Wayne Telepe VS Benjamin Amos
Kyron Dryden VS Hunter Ioane

Recent Fight History

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