St. Joseph defeated Haddam Killingworth, 9-1, in a Class M state tournament second round game in Trumbull on Tuesday.

The third-seeded Cadets (24-1) will next play the sixth-seeded Oxford High (19-3) in the quarterfinals on Thursday, June 5, at St. Joseph.

Lauren Pitney and Tori Ceballos hit home runs to back Nicole Williams’ three-hit, 11-strikeout pitching.

Lauren Blose and Katie Gardella had two hits each against the 19th-seeded Cougars (14-8).