Spirit Lake Park-Okoboji and Storm Lake will also match up in the opening round of the high school boys substate soccer tournament. The pairings were announced late Wednesday afternoon by Iowa High School Athletic Association. SLP-O will host the Tornadoes on Monday, May 24, with the winner advancing to the second round to face sixth-ranked Spencer. The Tigers have a first round bye. Western Christian and Unity Christian will battle in the second round of the Class 1-A tourney, as both have opening round byes. To see the complete brackets, click the following link: http://www.iahsaa.org/soccer/index.html