StatsNext

Astros vs Mariners: head-to-head

The Houston Astros and Seattle Mariners have met 26 times in StatsNext’s stored MLB results, from April 7, 2025 to September 23, 2026 (2 seasons). The Mariners lead 18-8.

Meetings through September 23, 2026 · Updated September 23, 2026 · StatsNext box-score records

Series summary

Houston Astros vs Seattle Mariners: results from each side, per game
MeetingsGamesHOU winsSEA winsHOU runs/gSEA runs/gTotal runs/g
All meetings268184.25.29.4
At HOU14593.85.18.9
At SEA12394.85.310
Last 55235.85.211

Every stored meeting

Houston Astros and Seattle Mariners: stored final meetings, most recent first
DateSeasonVenueScoreWinnerMarginTotal
Sep 23, 20262026At SEAHOU 5, SEA 6SEA111
Sep 22, 20262026At SEAHOU 7, SEA 0HOU77
Aug 16, 20262026At HOUHOU 2, SEA 3SEA15
Aug 15, 20262026At HOUHOU 5, SEA 10SEA515
Aug 14, 20262026At HOUHOU 10, SEA 7HOU317
May 14, 20262026At HOUHOU 3, SEA 8SEA511
May 13, 20262026At HOUHOU 4, SEA 3HOU17
May 12, 20262026At HOUHOU 2, SEA 10SEA812
May 11, 20262026At HOUHOU 1, SEA 3SEA24
Apr 13, 20262026At SEAHOU 2, SEA 6SEA48
Apr 12, 20262026At SEAHOU 1, SEA 6SEA57
Apr 11, 20262026At SEAHOU 7, SEA 8SEA115
Apr 10, 20262026At SEAHOU 6, SEA 9SEA315
Sep 21, 20252025At HOUHOU 3, SEA 7SEA410
Sep 20, 20252025At HOUHOU 4, SEA 6SEA210
Sep 19, 20252025At HOUHOU 0, SEA 4SEA44
Jul 20, 20252025At SEAHOU 11, SEA 3HOU814
Jul 19, 20252025At SEAHOU 6, SEA 7SEA113
Jul 18, 20252025At SEAHOU 1, SEA 6SEA57
May 25, 20252025At HOUHOU 5, SEA 3HOU28
May 24, 20252025At HOUHOU 2, SEA 1HOU13
May 23, 20252025At HOUHOU 3, SEA 5SEA28
May 22, 20252025At HOUHOU 9, SEA 2HOU711
Apr 9, 20252025At SEAHOU 6, SEA 7SEA113
Apr 8, 20252025At SEAHOU 2, SEA 1HOU13
Apr 7, 20252025At SEAHOU 3, SEA 4SEA17

What stands out

  • Largest Astros win in these meetings: 11-3 on Jul 20, 2025.
  • Largest Mariners win: 10-2 on May 12, 2026.
  • Highest combined score: 17 runs (Aug 14, 2026); lowest: 3 (May 24, 2025).
  • Average margin: 3.3 runs per meeting.

How to read this

  • These are the final scores of the meetings stored in StatsNext (the 26 most recent, up to 30). Older meetings may not be in these records.
  • Rosters, coaches and venues change between seasons, and a few meetings are a small sample: past results describe what happened, not what will happen.
  • Scores are final scores.

This page contains no sportsbook prices or betting lines.

Keep researching

More Astros head-to-head

More Mariners head-to-head