| 1 | 4622 | 9/11/21 1:30pm | Fessenden A/Class of 1985 | Newton B Titans | 0 - 4 | Watertown LIGHTNING | |
| 2 | 4625 | 9/18/21 2:30pm | Victory Turf | Watertown LIGHTNING | 4 - 0 | D-S Storm | |
| 3 | 4629 | 9/25/21 2:30pm | Milton High School Middle Field | Milton Elephants | 0 - 5 | Watertown LIGHTNING | |
| 4 | 4630 | 10/2/21 1:30pm | Flahive Field HS Turf | Westwood Hotspur | 0 - 0 | Watertown LIGHTNING | |
| 5 | 4634 | 10/22/21 7:00pm | Filippello Park - Grove St | Watertown LIGHTNING | 0 - 1 | Wellesley Lightning | |
| 6 | 4458 | 10/16/21 3:00pm | Victory Turf | Watertown LIGHTNING | 2 - 1 | Arlington B7/8 Titans | |
| 7 | 4459 | 10/23/21 5:30pm | High School Turf #4 | Wayland Wolves | 2 - 7 | Watertown LIGHTNING | |
| 8 | 4464 | 10/30/21 3:15pm | Cutting | Sudbury Academy Gunners | 0 - 1 | Watertown LIGHTNING | |
| 9 | 4467 | 11/6/21 3:00pm | Victory Turf | Watertown LIGHTNING | 2 - 0 | Bedford Boys 8-1 | |
| 10 | 4468 | 11/13/21 3:00pm | Lincoln Fields3 | Lexington Bears | 0 - 4 | Watertown LIGHTNING | |
