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Nationals vs. Phillies prediction: Why Philadelphia is favored to win Tuesday's MLB matchup [3/31/2026]
Updated: | First published:
Written by Dave Garofolo, Content Producer
Get Washington Nationals vs Philadelphia Phillies predictions for MLB Tuesday.
The Philadelphia Phillies and Washington Nationals will meet in MLB action at Citizens Bank Park on Tuesday, starting at 6:40 PM ET.
Andrew Painter (0-0, 0.00 ERA) will be on the bump for the Phillies, pitting him against PJ Poulin (0-0, 0.00 ERA) for the Nationals.
Based on updated simulation results, Dimers' new and improved MLB model predicts the Phillies as the most likely winner of the Nationals vs. Phillies game.
This article offers an expanded analysis of Tuesday's matchup, including best bets and picks.
Nationals vs. Phillies prediction: Who will win and cover?
Using innovative machine learning and data analysis, we have simulated the result of Tuesday's MLB matchup between the Nationals and Phillies, forming part of our MLB predictions coverage.
Our independent predictive model currently gives the Phillies a 61% chance of beating the Nationals.
According to our model, the Nationals (+1.5) have a 55% chance of covering the run line, while the over/under total of 9.5 runs has a 52% chance of going over.
Nationals vs. Phillies odds [3/31/2026]
We have researched the best MLB odds in America for this game, which are listed here:
| Bet Type | Nationals | Phillies |
|---|---|---|
| Run Line | +1.5 (-123) | -1.5 (+105) |
| Moneyline | +163 | -188 |
| Total | o9.5 (-110) | u9.5 (-109) |
All odds are correct at the time of publication and are subject to change.
Nationals vs. Phillies picks and best bet
After matching our predictions against the best available odds, we can reveal our picks for each of the major markets. Plus, find our best bet for the game below:
| Bet Type | Pick | Bet Now |
|---|---|---|
| Run Line | Nationals +1.5 | -123 |
| Moneyline | Nationals | +163 |
| Total | Over 9.5 | -110 |
According to our MLB best bets, the top play to make on this game is Nationals to win.
These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.
Nationals vs. Phillies game-day updates and essential details
Tuesday's MLB matchup between the Phillies and Nationals at Citizens Bank Park is scheduled to commence at 6:40 PM ET.
- Who: Washington Nationals vs. Philadelphia Phillies
- Date: Tuesday, March 31, 2026
- Time: 6:40 PM ET/3:40PM PT
- Venue: Citizens Bank Park
Conclusion
We predict the Phillies, with a 61% win probability, will likely beat the Nationals on Tuesday.
AI and automation have enhanced this article to quickly deliver accurate Nationals vs. Phillies insights, with human oversight ensuring high editorial quality. Our predictions are based on the latest data to help you make informed decisions. For additional resources and advice, head to our responsible gambling hub.
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Dave Garofolo uses sophisticated AI-driven analytics to make predictions and evaluate player performances in the NBA, MLB, NFL, NHL, NCAAM, and PGA TOUR tournaments, crafting insightful game and prop previews.
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