Series Record vs. Duluth Marshall*
Proctor leads 34-17
Marshall is 6-4 in the last 10 games of the series.
| DATE | RESULT | SCORE | LOCATION | NOTES |
| 6/3/21 | W | 3-2 | Duluth (UMD) | 8 innings, Section 7AA Quarterfinals |
| 5/11/21 | W | 18-4 | Duluth (Wade) | |
| 5/14/19 | L | 3-6 | Duluth (Wade) | |
| 5/15/18 | L | 1-13 | Proctor | 5 innings |
| 5/30/17 | L | 2-8 | Cohasset | Section 7AA Playoffs |
| 5/24/17 | L | 1-7 | Duluth (Wade) | |
| 5/17/16 | W | 5-0 | Proctor | |
| 5/28/15 | L | 0-1 | Duluth (Wade) | Section 7AA Elimination |
| 5/12/15 | L | 5-7 | Duluth (Wade) | |
| 5/13/14 | W | 8-7 | Proctor |
*The Marshall School was known as Duluth Cathedral until 1987.