The Iowa High School Athletic Association has now revealed all postseason pairings for this season, adding the Class 3A and Class 4A to previous brackets released for Class 1A and Class 2A.District play begins on Friday, July 3 with opening round matches, as teams will battle it out over the next several weeks to determine eight qualifiers in each classification. The Iowa High School Athletic Association State Baseball Tournament starts Monday, July 20. Class 1A and Class 2A state games are held in Carroll, Iowa at Merchant Park, with Class 3A and Class 4A taking place in Cedar Rapids, Iowa at Veterans Memorial Stadium.Class 1A and Class 2A district games take place July 3, July 7 and July 11, with substate championships to be held on July 14. Class 3A and Class 4A district games are July 10 and July 13, with the substate finals set for July 15.All four state championship games will take place on July 24 from the two locations.High School On SI Iowa has been releasing weekly state power rankings for baseball and also previously revealed softball regional predictions for each game in each class.Here is who High School On SI Iowa is predicting will advance through districts and substate to qualify for the Iowa High School Athletic Association State Baseball Tournament this year.Iowa High School Baseball District/Substate Tournament PredictionsClass 4ASubstate 1First RoundSioux City East over Sioux City WestLewis Central over Council Bluffs Thomas JeffersonCouncil Bluffs Abraham Lincoln over Sioux City NorthSemifinalLewis Central over Council Bluffs Abraham LincolnChampionshipSioux City East over Lewis CentralSubstate 2First RoundWaukee over Des Moines LincolnFort Dodge over Waterloo WestMason City over AmesSemifinalFort Dodge over Mason CityChampionshipFort Dodge over WaukeeSubstate 3First RoundJohnston over MarshalltownUrbandale over Dowling CatholicAnkeny over Des Moines RooseveltSemifinalUrbandale over AnkenyChampionshipJohnston over UrbandaleSubstate 4First RoundCedar Falls over Cedar Rapids JeffersonWest Des Moines Valley over Des Moines EastDallas Center-Grimes over Ankeny CentennialSemifinalWest Des Moines Valley over Dallas Center-GrimesChampionshipWest Des Moines Valley over Cedar FallsSubstate 5First RoundCedar Rapids Kennedy over Cedar Rapids WashingtonSoutheast Polk over Waterloo EastIowa City West over Linn-MarSemifinalIowa City West over Southeast PolkChampionshipCedar Rapids Kennedy over Iowa City WestSubstate 6First RoundPleasant Valley over Davenport WestDavenport North over Dubuque HempsteadMuscatine over BettendorfSemifinalDavenport North over MuscatineChampionshipDavenport North over Pleasant ValleySubstate 7First RoundCedar Rapids Prairie over Davenport CentralIowa City Liberty over North ScottClinton over Dubuque SeniorSemifinalIowa City Liberty over ClintonChampionshipCedar Rapids Prairie over Iowa City LibertySubstate 8First RoundIndianola over Des Moines NorthWaukee Northwest over NorwalkIowa City High over OttumwaSemifinalWaukee Northwest over Iowa City HighChampionshipIndianola over Waukee NorthwestClass 3ASubstate 1First RoundMOC-Floyd Valley over Le MarsSioux Center over SpencerSioux City Bishop Heelan over Storm LakeSergeant Bluff-Luton over CarrollSemifinalsMOC-Floyd Valley over Sioux CenterSergeant Bluff-Luton over Sioux City Bishop HeelanChampionshipMOC-Floyd Valley over Sergeant Bluff-LutonSubstate 2First RoundNorth Polk over Hampton-Dumont/CALWebster City over GilbertNevada over Waverly-Shell RockAlgona over HumboldtSemifinalsWebster City over North PolkAlgona over NevadaChampionshipAlgona over Webster CitySubstate 3First RoundDubuque Wahlert Catholic over Center Point-UrbanaDecorah over West DelawareClear Creek-Amana over WashingtonBenton over Vinton-ShellsburgSemifinalsDubuque Wahlert Catholic over DecorahBenton over Clear Creek-AmanaChampionshipDubuque Wahlert Catholic over BentonSubstate 4First RoundWestern Dubuque over Charles CityCentral DeWitt over Mount VernonIndependence over Iowa Falls-AldenGrinnell over West LibertySemifinalsWestern Dubuque over Central DeWittIndependence over GrinnellChampionshipWestern Dubuque over IndependenceSubstate 5First RoundSolon over KeokukWilliamsburg over FairfieldDavenport Assumption over MaquoketaBurlington over Mount PleasantSemifinalsSolon over WilliamsburgDavenport Assumption over BurlingtonChampionshipSolon over Davenport AssumptionSubstate 6First RoundMarion over Fort MadisonKnoxville over OskaloosaSaydel over NewtonPella over Bondurant-FarrarSemifinalsMarion over KnoxvillePella over SaydelChampionshipMarion over PellaSubstate 7First RoundCedar Rapids Xavier over South Tama CountyADM over Des Moines ChristianBallard over PerryBoone over Clear LakeSemifinalsCedar Rapids Xavier over ADMBoone over BallardChampionshipCedar Rapids Xavier over BooneSubstate 8First RoundCarlisle over Clarke CommunityCreston over WintersetHarlan Community over AtlanticDenison-Schleswig over GlenwoodSemifinalsCarlisle over CrestonHarlan Community over Denison-SchleswigChampionshipHarlan Community over CarlisleClass 2ASubstate 1First RoundSpirit Lake over Central LyonOkoboji over SheldonWest Sioux over Boyden-Hull/Rock ValleyWestern Christian over Hartley-Melvin-SanbornQuarterfinalsWest Lyon over Spirit LakeEstherville-Lincoln Central over OkobojiHinton over West SiouxEmmetsburg over Western ChristianSemifinalsWest Lyon over Estherville-Lincoln CentralHinton over EmmetsburgChampionshipWest Lyon over HintonSubstate 2First RoundCentral Springs over Clarion-Goldfield/DowsGarner-Hayfield/Ventura over Eagle GroveSouth Central Calhoun over Greene CountyOgden over South HamiltonQuarterfinalsPocahontas Area over Central SpringsForest City over Garner-Hayfield/VenturaRoland-Story over South Central CalhounInterstate 35 over OgdenSemifinalsForest City over Pocahontas AreaRoland-Story over Interstate 35ChampionshipRoland-Story over Interstate 35Substate 3First RoundOsage over North Fayette ValleyDenver over CrestwoodWest Branch over TiptonAnamosa over MFL MarMacQuarterfinalsWaukon over OsageNew Hampton over DenverCascade over West BranchAnamosa over Union CommunitySemifinalsNew Hampton over WaukonCascade over AnamosaChampionshipCascade over New HamptonSubstate 4First RoundWilton over NortheastDurant over CamancheLouisa-Muscatine over Winfield-Mt UnionMid-Prairie over MonticelloQuarterfinalsBellevue Marquette Catholic over WiltonAlburnett over DurantIowa City Regina Catholic over Louisa-MuscatineMediapolis over Mid-PrairieSemifinalsBellevue Marquette Catholic over AlburnettIowa City Regina Catholic over MediapolisChampionshipIowa City Regina over Bellevue Marquette CatholicSubstate 5First RoundWest Burlington over AlbiaDavis County over Pella ChristianCenterville over Eddyville-Blakesburg-FremontChariton over LamoniQuarterfinalsCardinal over West BurlingtonCentral Lee over Davis CountyPleasantville over CentervilleChariton over Grand View ChristianSemifinalsCentral Lee over CardinalPleasantville over CharitonChampionshipPleasantville over Central LeeSubstate 6First RoundWest Central Valley over Nodaway ValleyWoodward-Granger over PanoramaJesup over OelweinWaterloo Columbus Catholic over PostvilleQuarterfinalsVan Meter over West Central ValleyPCM over Woodward-GrangerDyersville Beckman Catholic over JesupDike-New Hartford over Waterloo Columbus CatholicSemifinalsVan Meter over PCMDyersville Beckman Catholic over Waterloo Columbus CatholicChampionshipVan Meter over Dyersville Beckman CatholicSubstate 7First RoundAplington-Parkersburg over HudsonSouth Hardin over Sumner-FredericksburgManson Northwest Webster over Alta-AureliaSoutheast Valley over East Sac CountyQuarterfinalsGrundy Center over Aplington-ParkersburgSouth Hardin over West MarshallCarroll Kuemper Catholic over Manson Northwest WebsterRidge View over Southeast ValleySemifinalsGrundy Center over South HardinCarroll Kuemper Catholic over Ridge ViewChampionshipGrundy Center over Carroll Kuemper CatholicSubstate 8First RoundSioux Central over Cherokee WashingtonOABCIG over Missouri ValleyTri-Center over ClarindaTreynor over Red OakQuarterfinalsUnity Christian over Sioux CentralMVAOCOU over OABCIGUnderwood over Tri-CenterShenandoah over TreynorSemifinalsUnity Christian over MVAOCOUUnderwood over ShenandoahChampionshipUnderwood over Unity ChristianClass 1ASubstate 1First RoundSouth O’Brien over George-Little RockMMCRU over Sibley-OcheyedanHarris-Lake Park over GTRALogan-Magnolia over Exira-EHKCouncil Bluffs St. Albert over Boyer ValleyWoodbine over West MononaGriswold over Ar-We-VaQuarterfinalsRemsen St. Mary’s over South O’BrienMMCRU over Harris-Lake ParkLogan-Magnolia over Council Bluffs St. AlbertGriswold over WoodbineSemifinalsRemsen St. Mary’s over MMCRULogan-Magnolia over GriswoldChampionshipRemsen St. Mary’s over Logan-MagnoliaSubstate 2First RoundNorth Union over West HancockLake Mills over West Bend-MallardBishop Garrigan over North IowaLe Mars Gehlen Catholic over WestwoodWoodbury Central over Lawton-BronsonKingsley-Pierson over Trinity ChristianNewell-Fonda over Akron-WestfieldQuarterfinalsMason City Newman Catholic over North UnionBishop Garrigan over Lake MillsLe Mars Gehlen Catholic over Woodbury CentralKingsley-Pierson over Newell-FondaSemifinalsMason City Newman Catholic over Bishop GarriganKingsley-Pierson over Le Mars Gehlen CatholicChampionshipMason City Newman Catholic over Kingsley-PiersonSubstate 3First RoundWest Fork over Belmond-KlemmeNorth Butler over RockfordRiceville over Northwood-KensettAnkeny Christian over Mormon TrailMadrid over Collins-MaxwellSt. Edmond over Glidden-RalstonAGWSR over Colo-NescoQuarterfinalsSaint Ansgar over West ForkRiceville over North ButlerAnkeny Christian over MadridSt. Edmond over AGWSRSemifinalsSaint Ansgar over RicevilleSt. Edmond over Ankeny ChristianChampionshipSaint Ansgar over St. EdmondSubstate 4First RoundTurkey Valley over Nashua-PlainfieldStarmont over Edgewood-ColesburgKee High over Clayton RidgeDon Bosco over BCLUWGladbrook-Reinbeck over East MarshallWapsie Valley over DunkertonClarksville over North TamaQuarterfinalsSouth Winneshiek over Turkey ValleyKee High over StarmontDon Bosco over Gladbrook-ReinbeckWapsie Valley over ClarksvilleSemifinalsSouth Winneshiek over Kee HighWapsie Valley over Don BoscoChampionshipSouth Winneshiek over Wapsie ValleySubstate 5First RoundEaston Valley over Calamus-WheatlandMaquoketa Valley over Prince of PeaceLisbon over North CedarBelle Plaine over MidlandJanesville over SpringvilleIowa Valley over HLV/TCQuarterfinalsNorth Linn over Easton ValleyLisbon over Maquoketa ValleyEast Buchanan over Belle PlaineJanesville over Iowa ValleySemifinalsNorth Linn over LisbonJanesville over East BuchananChampionshipNorth Linn over JanesvilleSubstate 6First RoundNew London over Van Buren CountyBurlington Notre Dame over DanvilleHighland over WapelloLynnville-Sully over English ValleysMontezuma over Melcher-DallasBaxter over GMGBGM over Colfax-MingoQuarterfinalsSigourney over New LondonBurlington Notre Dame over HighlandLynnville-Sully over MontezumaBaxter over BGMSemifinalsSigourney over Burlington Notre DameLynnville-Sully over BaxterChampionshipLynnville-Sully over SigourneySubstate 7First RoundEarlham over Southeast WarrenMurray over SeymourWayne over East UnionMoravia over Moulton-UdellNorth Mahaska over Twin CedarsPekin over Lone TreeKeota over Hillcrest AcademyQuarterfinalsMartensdale-St. Marys over EarlhamMurray over WayneMoravia over North MahaskaPekin over KeotaSemifinalsMartensdale-St. Marys over MurrayPekin over MoraviaChampionshipMartensdale-St. Marys over PekinSubstate 8First RoundACGC over IKM-ManningCAM over RiversideAHSTW over AudubonMount Ayr over EssexBedford over Southwest ValleyLenox over SidneyFremont-Mills over StantonQuarterfinalsCoon Rapids-Bayard over ACGCCAM over AHSTWBedford over Mount AyrLenox over Fremont-MillsSemifinalsCoon Rapids-Bayard over CAMLenox over BedfordChampionshipCoon Rapids-Bayard over LenoxAdd us as a preferred source on GoogleFollow