The Boonville Pirates baseball team, 24-1 on the season, will play 29-1 Aurora Houn' Dawgs tonight in the semifinal round of the state tournament at CarShield Field in O'Fallon starting at 6:30 p.m. The winner will advance to the championship on Saturday, June 2nd at 1:30 p.m. The losers of Friday's games will play for third at 11 a.m. on Saturday.