St George Illawarra Dragons vs. Dolphins prediction: Dolphins favored to win Friday's NRL Round 22 matchup [7/31/2026]

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Written by Damien Souness

Get St George Illawarra Dragons vs Dolphins predictions for NRL Friday.

Dragons-Dolphins Predictions and Game Preview.
Dragons vs. Dolphins NRL prediction for Friday, July 31, 2026.

The St George Illawarra Dragons will take on the favored Dolphins in National Rugby League (NRL) action at WIN Stadium on Friday, beginning at 4:00 AM ET.

Dimers' advanced NRL model projects the Dolphins as the most likely winner in this Dolphins vs. Dragons prediction.

This article offers further insights into Friday's matchup, including best bets and picks.

Dragons vs. Dolphins prediction: Who will win Round 22 game?

Using powerful machine learning and data, we have simulated the outcome of Friday's NRL matchup between the Dolphins and Dragons, forming part of our NRL predictions coverage.

Our independent predictive model currently gives the Dolphins an 82.2% chance of beating the Dragons.

According to our model, the Dragons (+14.5) have a 50.6% chance of covering the spread, while the over/under total of 49.5 points has a 55.9% chance of staying under,.

 

Dolphins vs. St George odds

We have researched the best NRL odds in America for this game, which are listed here:

Bet Type Dolphins Dragons
H2H (Moneyline) -500 +350
Line (Spread) -14.5 (-115) +14.5 (-115)
Total o49.5 (-114) u49.5 (-112)

All odds are correct at the time of publication and are subject to change.

Dolphins vs. Dragons picks and best bet

After matching our predictions against the best current odds, we can reveal our picks for each of the major markets in this matchup. Plus, find our best bet for the game below:

Bet Type Pick Bet Now
Spread Dragons +14.5 -115
Moneyline Dolphins -500
Total Under 49.5 -112

According to our NRL best bets, the top play to make on this game is Under 49.5 total points.

These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.

 

Dragons vs. Dolphins game-day updates and essential details

Friday's Australian rugby league game between the Dragons and Dolphins at WIN Stadium is scheduled to commence at 4:00 AM ET.

  • Who: Dolphins vs. St George Illawarra Dragons
  • Date: Friday, July 31, 2026
  • Time: 4:00 AM ET/1:00AM PT
  • Venue: WIN Stadium

The NRL is available to bet on in the US through all major sportsbooks, with there even being games played in Vegas each season as of 2024.

Conclusion

We predict the Dolphins, with an 82.2% win probability, will likely beat the Dragons in Friday's NRL matchup.

Additional tools and information for betting safely can be found in our Responsible Gambling hub.

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Written by
Damien Souness
Chief Experience Officer

Damien Souness is Chief Experience Officer at Cipher Sports Technology Group, helping lead sports media brands such as Dimers. He specializes in creating trustworthy and data-driven content for sports fans, with experience working for globally recognized sports and media organizations.

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