Post-season tournament pairings have been announced for district baseball.In Class 3A high school baseball, Humboldt has been assigned to a substate No. 2 which includes district games at Clear Lake and Boone. Other schools include Algona, Ballard Huxley, Gilbert, Nevada and Webster City. Opening round games will be played on July 18. District finals will be played July 21 with substate finals set for July 23. The substate final will be determined.Humboldt will play Ballard Huxley at Clear Lake on Friday, July 18, 5 p.m. The winner will play either Clear Lake or Webster City, who tangle at 7 p.m. on July 18 in Clear Lake. At Boone, Algona meets Nevada in a 5 p.m. game and Boone plays Gilbert at 7 p.m. The substate final will be July 23 at a site to be determined.In Class 1A, West Bend-Mallard/GCB will play in district No. 3, which includes Storm Lake St.