Tattnall Square will host Westfield on Friday and Saturday in the GISA Class AAA baseball championship series while Brentwood will host Windsor in the Class AA series.

Tattnall and Westfield will play the first game of their series at 6 p.m. on Friday. The second game will start at 2 p.m. on Saturday with a third game, if necessary, to follow.

Brentwood and Windsor will open at 1 p.m. on Friday. The second game is set for noon on Saturday with a third game, if necessary, to follow.

In Class A, Crisp Academy will play at Westwood.