Cincinnati Reds vs Seattle Mariners
Series timeline
▼ Seattle Mariners ahead (peak +16)
Cincinnati Reds Seattle Mariners Tie Postseason One meeting per cell
Longest streaks: Cincinnati Reds 3 (2019–2023), Seattle Mariners 6 (2007–2013). Current: Cincinnati Reds 2.
Splits
| Split | Cincinnati Reds record |
|---|---|
| Regular season | 8-22 |
| Hosted by Cincinnati Reds | 4-11 |
| Hosted by Seattle Mariners | 4-11 |
| Last 10 seasons (2002 to 2026) | 8-22 |
| Largest Cincinnati Reds win | 16-1 (2007) |
| Largest Seattle Mariners win | 9-1 (2007) |
In the record book
- Most lopsided series#27 in MLB
Every meeting
2020s
| Season | Date | Winner | Score | Site | Round |
|---|---|---|---|---|---|
| 2026 (2-1) | Jul 20, 2026 | Seattle Mariners | 8-0 | at Seattle Mariners | |
| Jul 21, 2026 | Cincinnati Reds | 4-2 | at Seattle Mariners | ||
| Jul 22, 2026 | Cincinnati Reds | 5-3 | at Seattle Mariners | ||
| 2025 (1-2) | Apr 15, 2025 | Cincinnati Reds | 8-4 | at Cincinnati Reds | |
| Apr 16, 2025 | Seattle Mariners | 5-3 | at Cincinnati Reds | ||
| Apr 17, 2025 | Seattle Mariners | 11-7 | at Cincinnati Reds | ||
| 2024 (0-3) | Apr 15, 2024 | Seattle Mariners | 9-3 | at Seattle Mariners | |
| Apr 16, 2024 | Seattle Mariners | 3-1 | at Seattle Mariners | ||
| Apr 17, 2024 | Seattle Mariners | 5-1 | at Seattle Mariners | ||
| 2023 (2-1) | Sep 4, 2023 | Cincinnati Reds | 6-3 | at Cincinnati Reds | |
| Sep 5, 2023 | Cincinnati Reds | 7-6 | at Cincinnati Reds | ||
| Sep 6, 2023 | Seattle Mariners | 8-4 | at Cincinnati Reds |
2010s
| Season | Date | Winner | Score | Site | Round |
|---|---|---|---|---|---|
| 2019 (1-2) | Sep 10, 2019 | Seattle Mariners | 4-3 | at Seattle Mariners | |
| Sep 11, 2019 | Seattle Mariners | 5-3 | at Seattle Mariners | ||
| Sep 12, 2019 | Cincinnati Reds | 11-5 | at Seattle Mariners | ||
| 2016 (0-3) | May 20, 2016 | Seattle Mariners | 8-3 | at Cincinnati Reds | |
| May 21, 2016 | Seattle Mariners | 4-0 | at Cincinnati Reds | ||
| May 22, 2016 | Seattle Mariners | 5-4 | at Cincinnati Reds | ||
| 2013 (1-2) | Jul 5, 2013 | Seattle Mariners | 4-2 | at Cincinnati Reds | |
| Jul 6, 2013 | Cincinnati Reds | 13-4 | at Cincinnati Reds | ||
| Jul 7, 2013 | Seattle Mariners | 3-1 | at Cincinnati Reds | ||
| 2010 (0-3) | Jun 18, 2010 | Seattle Mariners | 1-0 | at Seattle Mariners | |
| Jun 19, 2010 | Seattle Mariners | 5-1 | at Seattle Mariners | ||
| Jun 20, 2010 | Seattle Mariners | 1-0 | at Seattle Mariners |
2000s
| Season | Date | Winner | Score | Site | Round |
|---|---|---|---|---|---|
| 2007 (1-2) | Jun 22, 2007 | Cincinnati Reds | 16-1 | at Seattle Mariners | |
| Jun 23, 2007 | Seattle Mariners | 9-1 | at Seattle Mariners | ||
| Jun 24, 2007 | Seattle Mariners | 3-2 | at Seattle Mariners | ||
| 2002 (0-3) | Jun 18, 2002 | Seattle Mariners | 8-1 | at Cincinnati Reds | |
| Jun 19, 2002 | Seattle Mariners | 2-0 | at Cincinnati Reds | ||
| Jun 20, 2002 | Seattle Mariners | 3-2 | at Cincinnati Reds |