US Open Tennis: Tuesday best bets featuring Nuno Borges on Day 3

The 2025 US Open continues in New York City on Tuesday, August 26 for Day 3 at Flushing Meadows. The fourth and final Grand Slam of the year is already full of exciting storylines and will continue to shape the legacy of its eventual winners, but it's also a major event for those looking for the best bets and tennis predictions. The tournament runs through to Championship Sunday on September 7.

The most stunning result of yesterday's matches was this year's Australian Open champion Madison Keys losing in three sets to 82nd-ranked Renata Zarazua. After losing in last year's semifinals, Jack Draper started his tournament with a win.

Add in Dimers’ biggest betting offering ever—expanded markets, new bet types, and broader sportsbook coverage—and there’s never been a better time to bet on the US Open.

Best Value Bets for Day 3 US Open

Dimers highlights “High Value” bets when favorable odds line up with strong probability.

Two wagers stand out on on Tuesday as bets with both High Value and over a 60.0% probability: 

Nuno Borges -6.5 games (vs. Brandon Holt)

• Court: Court 11
• Win Probability: 61.4%
• Edge: 6.9%
• Best Odds: -120 (Caesars Sportsbook)

See our full predictions for Nuno Borges vs. Brandon Holt on Day 3.

Christopher O'Connell vs. Alex de Minaur Under 30.5 Games

• Court: Grandstand
• Win Probability: 60.4%
• Edge: 5.8%
• Best Odds: –120 (FanDuel Sportsbook)

For more betting insights on this match, read our full prediction for O'Connell vs. de Minaur on Tuesday, August 26.

Both of these represents strong expected value, particularly the spread bet on Nuno Borges, which offers a strong edge and the highest probability on Day 3

To find more value bets, including some moneyline upsets and more, check out Dimers' Best Tennis Bets every day of the US Open.

Betting the US Open Smartly

The opening round is all about balance—taking advantage of sharp value edges while recognizing the volatility of early rounds. Heavy favorites like Taylor Fritz and Alexander Zverev look like strong bets to advance, while Dimers’ Day 3 “High Value” picks provide bettors with calculated opportunities. Keep an eye on tight matches like Benjamin Bonzi vs. Marcos Giron, where the win margin is razor thin.

With Flushing Meadows buzzing, the 2025 US Open is primed for drama, and Dimers is giving bettors every tool they need to play it smart.

Responsible Gambling

Remember to please gamble responsibly. If you sense that you're taking your luck too far, know when to call it quits and don't be afraid to seek assistance. Keep in mind that gambling is all about having a fantastic experience! If you or someone you know is grappling with gambling issues, reach out to 1-800-GAMBLER for crisis counseling and support.