MLB · All-Time Matchup
Seattle Mariners
VS
Washington Nationals
Seattle Mariners vs Washington Nationals:All-Time Matchup History
Matchup Overview
The Seattle Mariners and Washington Nationals have met 19 times in MLB. Washington Nationals hold a dominant all-time edge, leading the series 11–8. Washington Nationals have had the upper hand recently, going 3–2 in their last 5 meetings. Their most recent matchup ended 9–3 in favor of Washington Nationals on May 30, 2025. They are scheduled to meet again on June 12, 2026.
All-Time Head-to-Head
Showing 19 games from available historical data.
| Date | Away | Score | Home |
|---|---|---|---|
| May 30, 25 | WAS | 9–3 | SEA |
| May 29, 25 | WAS | 9–0 | SEA |
| May 28, 25 | WAS | 1–9 | SEA |
| May 26, 24 | SEA | 9–5 | WAS |
| May 25, 24 | SEA | 1–3 | WAS |
| May 24, 24 | SEA | 1–6 | WAS |
| Jun 28, 23 | WAS | 7–4 | SEA |
| Jun 28, 23 | WAS | 4–1 | SEA |
| Jun 27, 23 | WAS | 4–8 | SEA |
| Aug 24, 22 | WAS | 2–4 | SEA |
| Aug 24, 22 | WAS | 3–1 | SEA |
| Jul 13, 22 | SEA | 6–4 | WAS |
| Jul 13, 22 | SEA | 2–1 | WAS |
| May 25, 17 | SEA | 4–2 | WAS |
| May 24, 17 | SEA | 1–5 | WAS |
| May 23, 17 | SEA | 1–10 | WAS |
| Aug 31, 14 | WAS | 3–1 | SEA |
| Aug 31, 14 | WAS | 3–5 | SEA |
| Aug 30, 14 | WAS | 8–3 | SEA |
Overall Record
since 2014
Seattle Mariners
8Washington Nationals
1119 games in available data
Last 5 Meetings
WAS9
@May 30
3SEA
WAS9
@May 29
0SEA
WAS1
@May 28
9SEA
SEA9
@May 26
5WAS
SEA1
@May 25
3WAS