The Iowa High School Athletic Association released the substate basketball brackets for Class 3A and Class 4A on Wednesday. Class 3A will play on the following dates: First round: Monday, Feb. 21. Second round: Thursday, Feb. 24. Substate finals: Monday, Feb. 28. Class 4A will play on theses dates: First round: Monday, Feb. 21. Second round: Friday, Feb. 25. Substate final: Tuesday, March 1.

Atlantic will be in 3A Substate 8 and will travel to Bishop Heelan for their opening game on Monday, February 21st. Here is a look at the full area pairings.

CLASS 3A

Substate 8
Perry @ Harlan 6:30pm
Denison-Schleswig vs. Lewis Central (@ Harlan) 8:00pm
Atlantic @ Bishop Heelan 7:00pm
Glenwood @ Carroll 7:00pm

Substate 7
Knoxville @ Winterset 6:30pm
North Polk vs. Clarke (@ Winterset) 8:00pm
Carlisle @ Pella 7:00pm
Creston @ Bondurant-Farrar 7:00pm

CLASS 4A

Substate 1
First Round
Sioux City North @ Sioux City West 7:00pm
(Winner goes to Ankeny)
CB Thomas Jefferson @ Waukee 7:00pm
(Winner travels to Sioux City East)

Substate 8
First Round
DM Roosevelt @ Norwalk 7:00pm
(Winner goes to Johnston)
DM North @ Dowling Catholic 7:00pm
(Winner goes to CB Abraham Lincoln)