Trendline
MLBHead-to-HeadAll-Time

Baltimore Orioles vs Washington Nationals · All-Time

Last updated: April 15, 2026

43 meetings tracked · closing-line graded

Across 43 all-time head-to-head meetings, Washington Nationals lead 22-21. Games have averaged 8.3 combined points.

RECORD

21-22

MEETINGS

43

ATS

7-14

O / U

5-15

Key Insights

  • Washington Nationals lead 22-21 across 43 tracked meetings.
  • Games have averaged 8.3 combined points.
  • Washington Nationals have been the better ATS side (14-7).
  • Strong Under trend: 5-15 O/U.

Year-by-Year Record

SeasonGamesBaltimore OriolesWashington NationalsATSO / UAvg Total
20263121-21-110.3
20256151-52-49.0
20244221-32-28.3
20234402-23.0
20224312-26.3
202163310.3
202064211.0
20194228.5
20186156.3

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Frequently Asked Questions

What is the Baltimore Orioles vs Washington Nationals record all-time?

Across 43 all-time meetings, the Washington Nationals lead the series 22-21.

What is the ATS trend in Baltimore Orioles vs Washington Nationals games?

ATS: Baltimore Orioles are 7-14 vs the spread in these matchups. Washington Nationals are 14-7.

Do Baltimore Orioles vs Washington Nationals games go over or under?

Over/under: games between Baltimore Orioles and Washington Nationals have gone over 5 times and under 15 times, with an average combined score of 8.3.

When did Baltimore Orioles and Washington Nationals last play?

See Last Meetings section for detailed score, spread, and total data from the most recent Baltimore Orioles vs Washington Nationals games.

Where can I see the 5-year Baltimore Orioles vs Washington Nationals history?

A 5-year head-to-head page tracks every Baltimore Orioles vs Washington Nationals meeting from the last five full seasons. Link at the bottom of this page.

Data coverage: Trendline's head-to-head records include closing-line-graded games from 20182026. Older meetings aren't in this dataset yet.

Head-to-head data derived from closing-line game records. Stats update nightly from graded game results.

For informational and entertainment purposes only. Not betting advice. Please gamble responsibly.

Optimus

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