The 72nd annual state baseball tournament is underway at Fox Cities Stadium in Grand Chute.
Division 1 play makes up the first day of competition.
Division 1 Quarterfinals
Green Bay Preble (24-3) vs. Burlington (23-5) 8 a.m.
Sun Prairie (22-7) vs. Oak Creek (21-6) 10:15 a.m.
Eau Claire North (22-4) vs. Sussex Hamilton (19-8) 1 p.m.
Fond du Lac (13-12) vs. Brookfield East (18-8) 3:15p.m.
Division 1 Semifinals
6 p.m. and 8:15 p.m.