| Elizabeth 3, Sierra 0 | Aug. 30 | Details |
| Sierra 3, Pueblo Central High School 1 | Sept. 1 | Details |
| Mitchell vs. Sierra at Mitchell | Sept. 6 @ 6:30 p.m. | Map |
| Air Academy High School 3, Sierra 0 | Sept. 11 | Details |
| Sierra 3, Wasson 0 | Sept. 13 | Details |
| Pueblo Centennial 2, Sierra 1 | Sept. 15 | Details |
| Douglas County 2, Sierra 0 | Sept. 15 | Details |
| Greeley West 2, Sierra 0 | Sept. 15 | Details |
| Florence vs. Sierra at Florence High School | Sept. 18 @ 4 p.m. | Map |
| Florence High School 3, Sierra 1 | Sept. 18 | Details |
| Fountain-Fort Carson vs. Sierra at Fountain-Fort Carson () | Sept. 20 @ 6:30 p.m. | Map |
| Mesa Ridge High School 3, Sierra 1 () | Sept. 25 | Details |
| Harrison 3, Sierra 0 () | Sept. 27 | Details |
| Cheyenne Mountain High School 3, Sierra 0 () | Oct. 2 | Details |
| Falcon 3, Sierra 2 () | Oct. 4 | Details |
| Widefield High School 3, Sierra 0 | Oct. 11 | Details |
| Woodland Park High School 3, Sierra 0 () | Oct. 16 | Details |
| Liberty 3, Sierra 2 () | Oct. 18 | Details |
