Chicago Cubs vs Seattle Mariners
Series timeline
▲ Chicago Cubs ahead (peak +9)
Chicago Cubs Seattle Mariners Tie Postseason One meeting per cell
Longest streaks: Chicago Cubs 7 (2016–2023), Seattle Mariners 3 (2025–2026). Current: Chicago Cubs 1.
Splits
| Split | Chicago Cubs record |
|---|---|
| Regular season | 19-12 |
| Hosted by Chicago Cubs | 9-5 |
| Hosted by Seattle Mariners | 10-7 |
| Last 10 seasons (2002 to 2026) | 19-12 |
| Largest Chicago Cubs win | 19-2 (2026) |
| Largest Seattle Mariners win | 14-6 (2025) |
Every meeting
2020s
| Season | Date | Winner | Score | Site | Round |
|---|---|---|---|---|---|
| 2026 (1-2) | Aug 21, 2026 | Seattle Mariners | 6-5 | at Seattle Mariners | |
| Aug 22, 2026 | Seattle Mariners | 5-4 | at Seattle Mariners | ||
| Aug 23, 2026 | Chicago Cubs | 19-2 | at Seattle Mariners | ||
| 2025 (1-2) | Jun 20, 2025 | Seattle Mariners | 9-4 | at Chicago Cubs | |
| Jun 21, 2025 | Chicago Cubs | 10-7 | at Chicago Cubs | ||
| Jun 22, 2025 | Seattle Mariners | 14-6 | at Chicago Cubs | ||
| 2024 (2-1) | Apr 12, 2024 | Seattle Mariners | 4-2 | at Seattle Mariners | |
| Apr 13, 2024 | Chicago Cubs | 4-1 | at Seattle Mariners | ||
| Apr 14, 2024 | Chicago Cubs | 3-2 | at Seattle Mariners | ||
| 2023 (2-1) | Apr 10, 2023 | Chicago Cubs | 3-2 | at Chicago Cubs | |
| Apr 11, 2023 | Chicago Cubs | 14-9 | at Chicago Cubs | ||
| Apr 12, 2023 | Seattle Mariners | 5-2 | at Chicago Cubs |
2010s
| Season | Date | Winner | Score | Site | Round |
|---|---|---|---|---|---|
| 2019 (4-0) | Apr 30, 2019 | Chicago Cubs | 6-5 | at Seattle Mariners | |
| May 1, 2019 | Chicago Cubs | 11-0 | at Seattle Mariners | ||
| Sep 2, 2019 | Chicago Cubs | 5-1 | at Chicago Cubs | ||
| Sep 3, 2019 | Chicago Cubs | 6-1 | at Chicago Cubs | ||
| 2016 (2-1) | Jul 29, 2016 | Chicago Cubs | 12-1 | at Chicago Cubs | |
| Jul 30, 2016 | Seattle Mariners | 4-1 | at Chicago Cubs | ||
| Jul 31, 2016 | Chicago Cubs | 7-6 | at Chicago Cubs | ||
| 2013 (2-1) | Jun 28, 2013 | Seattle Mariners | 5-4 | at Seattle Mariners | |
| Jun 29, 2013 | Chicago Cubs | 5-3 | at Seattle Mariners | ||
| Jun 30, 2013 | Chicago Cubs | 7-6 | at Seattle Mariners | ||
| 2010 (1-2) | Jun 22, 2010 | Seattle Mariners | 2-0 | at Seattle Mariners | |
| Jun 23, 2010 | Seattle Mariners | 8-1 | at Seattle Mariners | ||
| Jun 24, 2010 | Chicago Cubs | 3-2 | at Seattle Mariners |
2000s
| Season | Date | Winner | Score | Site | Round |
|---|---|---|---|---|---|
| 2007 (2-1) | Jun 12, 2007 | Seattle Mariners | 5-3 | at Chicago Cubs | |
| Jun 13, 2007 | Chicago Cubs | 3-2 | at Chicago Cubs | ||
| Jun 14, 2007 | Chicago Cubs | 5-4 | at Chicago Cubs | ||
| 2002 (2-1) | Jun 7, 2002 | Chicago Cubs | 2-0 | at Seattle Mariners | |
| Jun 8, 2002 | Seattle Mariners | 4-2 | at Seattle Mariners | ||
| Jun 9, 2002 | Chicago Cubs | 5-1 | at Seattle Mariners |