The Chandler Lions (23-11) qualified for their 15th state tournament with an impressive three-game stretch in the regional tournament.
Chandler beat Kansas and Prague in back-to-back games to secure the regional championship.
The Lions fell to first-round opponent Washington 3-7 early in the season and possess a 12-6 mark against 3A competition.
Chandler owns three state championships with the last coming in 2005.
Chandler will play Washington (21-4) Thursday at Edmond Memorial High School. First pitch is set for 4 p.m.