| | | |
| November 6, 2020 | | Omaha Lancers at Waterloo Black Hawks | Ppd. |
| November 7, 2020 | | Omaha Lancers at Waterloo Black Hawks | Ppd. |
| November 13, 2020 | W | Waterloo Black Hawks 4 at Sioux City Musketeers 2 | Final |
| November 14, 2020 | L | Waterloo Black Hawks 3 at Sioux City Musketeers 4 | Final |
| November 15, 2020 | | Waterloo Black Hawks at Tri-City Storm | Ppd. |
| November 20, 2020 | | Waterloo Black Hawks at Lincoln Stars | Ppd. |
| November 25, 2020 | | Lincoln Stars at Waterloo Black Hawks | Ppd. |
| November 26, 2020 | | Dubuque Fighting Saints at Waterloo Black Hawks | Ppd. |
| November 28, 2020 | | Waterloo Black Hawks at Green Bay Gamblers | Ppd. |
| December 4, 2020 | L | Sioux Falls Stampede 1 at Waterloo Black Hawks 0 | Final |
| December 5, 2020 | L | Waterloo Black Hawks 3 at Dubuque Fighting Saints 5 | Final |
| December 11, 2020 | L | Green Bay Gamblers 2 at Waterloo Black Hawks 1 | Final |
| December 12, 2020 | L | Sioux City Musketeers 5 at Waterloo Black Hawks 3 | Final |
| December 18, 2020 | L | Waterloo Black Hawks 2 at Omaha Lancers 5 | Final |
| December 19, 2020 | W | Waterloo Black Hawks 5 at Sioux Falls Stampede 2 | Final |
| December 26, 2020 | W | Waterloo Black Hawks 4 at Sioux City Musketeers 3 | Final |
| December 28, 2020 | W | Lincoln Stars 2 at Waterloo Black Hawks 5 | Final |
| December 30, 2020 | L | Waterloo Black Hawks 2 at Des Moines Buccaneers 3 | Final |
| December 31, 2020 | W | Des Moines Buccaneers 1 at Waterloo Black Hawks 3 | Final |
| January 7, 2021 | L | Waterloo Black Hawks 2 at Fargo Force 4 | Final |
| January 8, 2021 | L | Waterloo Black Hawks 1 at Sioux Falls Stampede 5 | Final |
| January 9, 2021 | W | Waterloo Black Hawks 6 at Sioux Falls Stampede 4 | Final |
| January 15, 2021 | L | Waterloo Black Hawks 4 at Dubuque Fighting Saints 7 | Final |
| January 16, 2021 | L | Waterloo Black Hawks 1 at Chicago Steel 5 | Final |
| January 19, 2021 | L | Omaha Lancers 4 at Waterloo Black Hawks 3 | Final (OT) |
| January 22, 2021 | W | Sioux City Musketeers 1 at Waterloo Black Hawks 2 | Final |
| January 23, 2021 | W | Sioux City Musketeers 1 at Waterloo Black Hawks 4 | Final |
| January 26, 2021 | L | Dubuque Fighting Saints 5 at Waterloo Black Hawks 4 | Final |
| January 29, 2021 | L | Dubuque Fighting Saints 4 at Waterloo Black Hawks 1 | Final |
| February 5, 2021 | L | Fargo Force 3 at Waterloo Black Hawks 2 | Final |
| February 6, 2021 | L | Fargo Force 2 at Waterloo Black Hawks 1 | Final |
| February 12, 2021 | W | Waterloo Black Hawks 7 at Dubuque Fighting Saints 6 | Final |
| February 13, 2021 | W | Tri-City Storm 4 at Waterloo Black Hawks 5 | Final |
| February 14, 2021 | L | Tri-City Storm 2 at Waterloo Black Hawks 0 | Final |
| February 19, 2021 | L | Waterloo Black Hawks 4 at Omaha Lancers 5 | Final |
| February 20, 2021 | L | Waterloo Black Hawks 1 at Des Moines Buccaneers 8 | Final |
| February 21, 2021 | W | Omaha Lancers 3 at Waterloo Black Hawks 4 | Final (SO) |
| February 26, 2021 | L | Waterloo Black Hawks 2 at Omaha Lancers 6 | Final |
| February 27, 2021 | | Chicago Steel 5 at Waterloo Black Hawks 3 | 00:00 2nd |
| March 5, 2021 | | Waterloo Black Hawks at Tri-City Storm | 8:05 p.m. |
| March 6, 2021 | | Waterloo Black Hawks at Tri-City Storm | 8:05 p.m. |
| March 9, 2021 | | Omaha Lancers at Waterloo Black Hawks | 8:05 p.m. |
| March 12, 2021 | | Waterloo Black Hawks at Lincoln Stars | 8:05 p.m. |
| March 13, 2021 | | Lincoln Stars at Waterloo Black Hawks | 7:05 p.m. |
| March 14, 2021 | | Tri-City Storm at Waterloo Black Hawks | 4:05 p.m. |
| March 18, 2021 | | Waterloo Black Hawks at Tri-City Storm | 8:05 p.m. |
| March 19, 2021 | | Waterloo Black Hawks at Lincoln Stars | 8:05 p.m. |
| March 20, 2021 | | Waterloo Black Hawks at Des Moines Buccaneers | 7:00 p.m. |
| March 26, 2021 | | Fargo Force at Waterloo Black Hawks | 8:05 p.m. |
| March 27, 2021 | | Dubuque Fighting Saints at Waterloo Black Hawks | 7:05 p.m. |
| March 28, 2021 | | Waterloo Black Hawks at Green Bay Gamblers | 6:05 p.m. |
| April 1, 2021 | | Waterloo Black Hawks at Lincoln Stars | 8:05 p.m. |
| April 2, 2021 | | Waterloo Black Hawks at Des Moines Buccaneers | 8:00 p.m. |
| April 3, 2021 | | Des Moines Buccaneers at Waterloo Black Hawks | 7:05 p.m. |
| April 9, 2021 | | Sioux Falls Stampede at Waterloo Black Hawks | 8:05 p.m. |
| April 10, 2021 | | Sioux Falls Stampede at Waterloo Black Hawks | 7:05 p.m. |
| April 15, 2021 | | Waterloo Black Hawks at Fargo Force | 8:05 p.m. |
| April 16, 2021 | | Waterloo Black Hawks at Fargo Force | 8:05 p.m. |
| April 20, 2021 | | Lincoln Stars at Waterloo Black Hawks | 8:05 p.m. |
| April 23, 2021 | | Des Moines Buccaneers at Waterloo Black Hawks | 8:05 p.m. |
| April 24, 2021 | | Des Moines Buccaneers at Waterloo Black Hawks | 7:05 p.m. |
Waterloo Black Hawks Schedule
