(Atlantic vs Creston)
| 1 | 2 | 3 | 4 | T | |
| ATLC | 17 | 13 | 22 | 10 | 62 |
| CRST | 4 | 12 | 11 | 9 | 36 |
(Glenwood vs Atlantic) C
| 1 | 2 | 3 | 4 | T | |
| GLNW | 13 | 11 | 10 | 7 | 56 |
| ATLC | 7 | 18 | 16 | 15 | 41 |
Postponed C
Postponed C
(Kuemper Catholic vs Atlantic)
| 1 | 2 | 3 | 4 | T | |
| KPRC | 13 | 19 | 18 | 6 | 56 |
| ATLC | 15 | 11 | 17 | 10 | 53 |
(Atlantic vs Lewis Central) C
| 1 | 2 | 3 | 4 | T | |
| ATLC | 6 | 15 | 13 | 19 | 53 |
| LW C | 10 | 12 | 9 | 16 | 47 |
(Nodaway Valley vs Atlantic)
| 1 | 2 | 3 | 4 | T | |
| NDWV | 22 | 17 | 13 | 15 | 67 |
| ATLC | 11 | 10 | 22 | 18 | 61 |
Cancelled C
(Atlantic vs Glenwood)
| 1 | 2 | 3 | 4 | T | |
| ATLC | 10 | 18 | 10 | 10 | 48 |
| GLNW | 10 | 15 | 10 | 21 | 56 |
(Atlantic vs Kuemper Catholic) C
| 1 | 2 | 3 | 4 | T | |
| ATLC | 16 | 23 | 14 | 12 | 65 |
| KPRC | 14 | 13 | 17 | 14 | 58 |
(Clarinda vs Atlantic)
| 1 | 2 | 3 | 4 | T | |
| CLAR | 11 | 13 | 14 | 18 | 56 |
| ATLC | 13 | 8 | 11 | 12 | 44 |
Postponed C
(Atlantic vs Red Oak) C
| 1 | 2 | 3 | 4 | T | |
| ATLC | 13 | 15 | 20 | 23 | 71 |
| R OK | 9 | 11 | 13 | 17 | 50 |
Rescheduled from 1-15-21 C
| 1 | 2 | 3 | 4 | T | |
| HRLN | 17 | 15 | 5 | 10 | 47 |
| ATLC | 17 | 14 | 17 | 15 | 63 |
Rescheduled from 12-11-20 C
| 1 | 2 | 3 | 4 | T | |
| CRST | 15 | 9 | 13 | 12 | 49 |
| ATLC | 11 | 12 | 12 | 20 | 55 |
Postponed C
(St. Albert vs Atlantic) C
| 1 | 2 | 3 | 4 | T | |
| STA | 7 | 8 | 12 | 24 | 51 |
| ATLC | 14 | 22 | 13 | 16 | 65 |
(Red Oak vs Atlantic)
| 1 | 2 | 3 | 4 | T | |
| R OK | 11 | 13 | 9 | 24 | 57 |
| ATLC | 17 | 15 | 14 | 19 | 65 |
(Atlantic vs Denison-Schleswig) C
| 1 | 2 | 3 | 4 | T | |
| ATLC | 15 | 13 | 13 | 23 | 64 |
| DSCH | 12 | 11 | 16 | 19 | 58 |
Postponed
(Atlantic vs Harlan Community)
| 1 | 2 | 3 | 4 | T | |
| ATLC | 13 | 9 | 13 | 14 | 49 |
| HRLN | 14 | 15 | 11 | 22 | 62 |
Cancelled
Rescheduled from 1-26-21 C
| 1 | 2 | 3 | 4 | T | |
| SHD | 8 | 14 | 11 | 8 | 41 |
| ATLC | 26 | 25 | 18 | 9 | 78 |
Rescheduled from 12-8-20 C
| 1 | 2 | 3 | 4 | T | |
| ATLC | 18 | 10 | 9 | 17 | 54 |
| CLAR | 9 | 10 | 6 | 15 | 40 |
(Denison-Schleswig vs Atlantic)
| 1 | 2 | 3 | 4 | T | |
| DSCH | 11 | 18 | 14 | 12 | 55 |
| ATLC | 12 | 14 | 7 | 24 | 57 |
Class 3A Substate 8 First Round
| 1 | 2 | 3 | 4 | T | |
| CRST | 13 | 16 | 9 | 9 | 47 |
| ATLC | 8 | 17 | 12 | 16 | 53 |
Class 3A Substate 8 Second Round
| 1 | 2 | 3 | 4 | T | |
| ATLC | 20 | 12 | 14 | 17 | 63 |
| GLNW | 14 | 21 | 8 | 16 | 59 |
Class 3A Substate 8 Championship
| 1 | 2 | 3 | 4 | T | |
| ATLC | 15 | 12 | 10 | 2 | 39 |
| DCG | 24 | 19 | 5 | 12 | 60 |
| Team | CONF | ST | OVER | PCT |
|---|---|---|---|---|
| Glenwood | 9-1 | L1 | 20-3 | .870 |
| Atlantic | 9-1 | L1 | 14-7 | .667 |
| Harlan Community | 7-3 | L3 | 9-12 | .429 |
| St. Albert | 7-4 | L1 | 11-13 | .458 |
| Lewis Central | 6-4 | L5 | 10-10 | .500 |
| Creston | 5-5 | L1 | 10-10 | .500 |
| Denison-Schleswig | 5-6 | L3 | 7-15 | .318 |
| Red Oak | 5-8 | L1 | 10-12 | .455 |
| Kuemper Catholic | 3-8 | L1 | 9-14 | .391 |
| Clarinda | 2-8 | L1 | 10-11 | .476 |
| Shenandoah | 0-10 | L13 | 2-20 | .091 |