No. 1 seed Northfield advanced to the second round by defeating No. 32 seed Coronado 2-0. They will play No. 16 seed Mead next round, after Mead beat No. 17 seed George Washington 2-0 in their first-round matchup.
No. 8 seed Durango will host No. 9 seed Air Academy, after Durango beat No. 25 seed Lewis-Palmer 6-3 and Air Academy beat No. 24 seed Northridge 6-0.
No. 5 seed Silver Creek beat No. 28 seed Thompson Valley 5-0 in the first round to reach their second-round matchup against No. 12 seed Regis Groff. Regis Groff advanced by defeating No. 21 seed The Classical Academy 2-0.
No. 4 seed Cheyenne Mountain and No. 13 seed Windsor will meet up in the second round after Cheyenne Mountain defeated No. 29 seed Eagle Valley 1-0 and Windsor defeated No. 20 seed Grand Junction 2-1.
No. 3 seed Battle Mountain advanced to the second round by defeating No. 30 seed Mullen 6-0 in a snowstorm. They will play No. 19 seed Golden in the first round, after Golden upset No. 14 seed Longmont 2-0 in their first-round matchup.
No. 6 seed Skyline will host No. 11 seed Niwot, after Skyline beat No. 27 seed Skyview and Niwot beat No. 22 seed Pueblo Centennial 2-1.
No. 7 seed Steamboat Springs beat No. 26 seed Erie 1-0 in the first round to reach their second-round matchup against No. 10 seed Glenwood Springs. Glenwood Springs reached the second round by defeating No. 23 seed Montrose 5-2.
No. 2 seed Centaurus and No. 15 seed Lutheran will meet up in the second round after Centaurus defeated No. 31 seed Pueblo West 2-0 and Lutheran defeated No. 18 seed Wheat Ridge 2-1.
In two rounds the 4A semifinals will be played, on Nov. 8 at JeffCo Trailblazer Stadium, and tickets will be available for purchase. The state championship finals will then be played on Nov. 11, at Switchbacks Weidner Field in Colorado Springs. Championship tickets can be found here.