Alcovy defeated Harlem 15-12 on Saturday afternoon in the decisive game of their GHSA opening-round Class AAAA baseball series.
Harlem had forced a third game with a 13-12 win late Friday. Alcovy won the first game 6-5.
Region 3-AAAA went 2-2 in the opening round of the tournament. Evans and Lakeside will play host to second-round series beginning Wednesday.