Philadelphia Phillies vs Seattle Mariners head-to-head
Who has won more, the Philadelphia Phillies or the Seattle Mariners?
Seattle Mariners lead the series 17-15 in 32 meetings since Apr 2, 2000. They average 4.3 to 4.1. The last meeting was Aug 26, 2026, 6-0.
- Record
- Philadelphia Phillies 15-17 Seattle Mariners
- Games
- 32
- Points per game
- 4.3 – 4.1
- Biggest win
- Philadelphia Phillies by 9
Every meeting on file
| Aug 26, 2026 |  PHI at  SEA | 6-0 | Philadelphia Phillies | Regular |
| Aug 25, 2026 | PHI at SEA | 1-4 | Seattle Mariners | Regular |
| Aug 24, 2026 | PHI at SEA | 2-9 | Seattle Mariners | Regular |
| Aug 20, 2025 | SEA at PHI | 2-11 | Philadelphia Phillies | Regular |
| Aug 19, 2025 | SEA at PHI | 4-6 | Philadelphia Phillies | Regular |
| Aug 18, 2025 | SEA at PHI | 7-12 | Philadelphia Phillies | Regular |
| Aug 4, 2024 | PHI at SEA | 6-0 | Philadelphia Phillies | Regular |
| Aug 3, 2024 | PHI at SEA | 5-6 | Seattle Mariners | Regular |
| Aug 2, 2024 | PHI at SEA | 2-10 | Seattle Mariners | Regular |
| Apr 27, 2023 | SEA at PHI | 0-1 | Philadelphia Phillies | Regular |
| Apr 26, 2023 | SEA at PHI | 5-6 | Philadelphia Phillies | Regular |
| Apr 25, 2023 | SEA at PHI | 5-3 | Seattle Mariners | Regular |
| May 11, 2022 | PHI at SEA | 4-2 | Philadelphia Phillies | Regular |
| May 10, 2022 | PHI at SEA | 4-5 | Seattle Mariners | Regular |
| May 9, 2022 | PHI at SEA | 9-0 | Philadelphia Phillies | Regular |
| Jun 28, 2017 | PHI at SEA | 5-4 | Philadelphia Phillies | Regular |
| Jun 27, 2017 | PHI at SEA | 8-2 | Philadelphia Phillies | Regular |
| May 10, 2017 | SEA at PHI | 11-6 | Seattle Mariners | Regular |
| May 9, 2017 | SEA at PHI | 10-9 | Seattle Mariners | Regular |
| Aug 20, 2014 | SEA at PHI | 3-4 | Philadelphia Phillies | Regular |
| Aug 19, 2014 | SEA at PHI | 5-2 | Seattle Mariners | Regular |
| Aug 18, 2014 | SEA at PHI | 1-4 | Philadelphia Phillies | Regular |
| Jun 19, 2011 | PHI at SEA | 0-2 | Seattle Mariners | Regular |
| Jun 18, 2011 | PHI at SEA | 5-1 | Philadelphia Phillies | Regular |
| Jun 17, 2011 | PHI at SEA | 2-4 | Seattle Mariners | Regular |
| Jun 16, 2005 | PHI at SEA | 3-2 | Philadelphia Phillies | Regular |
| Jun 15, 2005 | PHI at SEA | 1-5 | Seattle Mariners | Regular |
| Jun 14, 2005 | PHI at SEA | 1-3 | Seattle Mariners | Regular |
| Jun 5, 2003 | SEA at PHI | 5-4 | Seattle Mariners | Regular |
| Jun 4, 2003 | SEA at PHI | 7-2 | Seattle Mariners | Regular |
| Jun 3, 2003 | SEA at PHI | 4-0 | Seattle Mariners | Regular |
| Apr 2, 2000 | PHI at SEA | 2-3 | Seattle Mariners | Preseason |
Completed games on file, which start in 2000 — not the clubs’ full all-time series. Regular season 32, postseason 0.