Nationals vs Phillies Prediction and MLB Tips - 18 August 2025

The Washington Nationals will take on the favoured Philadelphia Phillies in MLB action at Nationals Park on Monday, commencing at 1:35am AEST.

Mitchell Parker (7-13, 5.56 ERA) will start for the Nationals, up against Aaron Nola (1-7, 6.16 ERA) for the Phillies.

This article features Stats Insider's prediction and tips for the Nationals vs Phillies game, along with the latest betting odds in Australia.

Who Will Win?

Utilising trusted computer power and data, Stats Insider has simulated the outcome of Monday's Washington vs Philadelphia MLB game 10,000 times.

Our leading predictive analytics model currently gives the Phillies a 60% chance of beating the Nationals at Nationals Park.

Nationals vs Phillies: Odds

The current betting odds in Australia for Monday's MLB game at Nationals Park are listed here:

• Head to Head: Nationals $2.75, Phillies $1.48
• Line: Nationals +1.5 ($2.10), Phillies -1.5 ($1.77)
• Total (Over/Under 10 Runs): Over $1.91, Under $1.91

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

Looking at the latest head-to-head odds, the bookmakers currently have the Nationals at $2.75 and the Phillies at $1.48.

The Nationals are 1.5-run underdogs against the Phillies, with odds of $2.10 available at TAB.

For the favourite Phillies (-1.5) to cover the line, TAB offers odds of $1.77.

The over/under for total runs scored is set at 10 with TAB, which has odds of $1.91 for the over and $1.91 for the under.

According to Stats Insider's model, the Nationals (+1.5) are predicted to cover the line 52% of the time, while the 10-run over/under is expected to stay under 55% of the time.

Nationals vs Phillies: Betting Tips

• Head to Head: Washington at $2.75 with TAB
• Line: Nationals +1.5 at $2.10 with TAB
• Total Runs: Under 10 at $1.91 with TAB

If you see a 🔥, that means it's one of Stats Insider's best tips for today across any sport.

These Nationals vs Phillies best bets are based on market-leading modelling and betting intelligence to help you place more informed bets with your chosen online bookie.

While the Phillies have a higher chance of winning the game, betting on the Nationals to win is our recommended option due to the 4.9% edge identified when comparing our data-led probabilities to the odds currently on offer.

Making use of the edges published on Stats Insider is one of the keys to achieving long-term success as a punter.

Nationals vs Phillies: Prediction

Stats Insider provides full coverage of the Washington vs Philadelphia game on Monday, including data-driven predictions and free betting tips.

Our model updates frequently, so keep checking this page for the latest betting tips before the Washington vs Philadelphia match-up.

As always, see our Best Bets for the best tips for every MLB game, plus predictions for a wide range of other sports.

Nationals vs Phillies: Essential Details

The game between the Nationals and Phillies at Nationals Park is scheduled to start at 1:35am AEST on Monday.

• Teams: Washington Nationals vs Philadelphia Phillies
• Date: Monday 18 August 2025
• Time: 1:35am AEST
• Venue: Nationals Park

All dates and times in this article are in Australian Eastern Standard Time (AEST), unless otherwise stated.

Conclusion

Our Washington vs Philadelphia predictions have been made based on 10,000 data-driven simulations of the game, all curated by our team of experienced data scientists and analysts. We use cutting-edge technology and machine learning to ensure our MLB tips are accurate and reliable, so that you can make informed decisions with confidence.

If you choose to use our MLB predictions for betting purposes, it's vital that you gamble responsibly and manage your finances effectively. For free and confidential support, call 1800 858 858 or visit gamblinghelponline.org.au.

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