No. 3 St. Dominic defeated No. 2 St. John the Baptist, 3-2, in Game 1 of a CHSAA baseball semifinals Monday.

Credit: James Escher

St. Dominic starting pitcher Reiss Knehr, left, celebrates with centerfielder John LaRocca after their team's 3-2 win over St. John the Baptist in Game 1 of a best-of-three NSCHSAA baseball semifinals at New York Institute of Technology on Monday, May 18, 2015.

Credit: James Escher

St. Dominic catcher Greg Tan, right, tags out St. John the Baptist centerfielder Kevin Dolan for the final out of the bottom of the sixth inning in Game 1 of a best-of-three NSCHSAA baseball semifinals at New York Institute of Technology on Monday, May 18, 2015.

Credit: James Escher

St. John the Baptist third baseman No. 2 Andrew Ferrante drives in a run with a two-out single in the bottom of the sixth inning of Game 1 of a best-of-three NSCHSAA baseball semifinals against St. Dominic at New York Institute of Technology on Monday, May 18, 2015.

Credit: James Escher

St. Dominic catcher No. 11 Greg Tan plates a run with a groundout to extend his team's lead over St. John the Baptist to 3-1 in the top of sixth inning of Game 1 of a best-of-three NSCHSAA baseball semifinals at New York Institute of Technology on Monday, May 18, 2015.

Credit: James Escher

St. Dominic shortstop Greg Kwiecinski leads off first base after hitting an RBI single to give his team a 2-1 lead in the top of the fifth inning of Game 1 of a best-of-three NSCHSAA baseball semifinals against St. John the Baptist at New York Institute of Technology on Monday, May 18, 2015.

Credit: James Escher

St. Dominic second baseman No. 7 Brendan Harkin, right, avoids a clean slide by St. John the Baptist centerfielder No. 34 Kevin Dolan after recording a force out in the bottom of the fourth inning in Game 1 of a best-of-three NSCHSAA baseball semifinals at New York Institute of Technology on Monday, May 18, 2015.

Credit: James Escher

St. John the Baptist leftfielder Damon DeMicco celebrates after sliding home safely in the bottom of the third inning of Game 1 of a best-of-three NSCHSAA baseball semifinal against St. Dominic at New York Institute of Technology on Monday, May 18, 2015.

Credit: James Escher

St. Dominic starting pitcher Reiss Knehr delivers to the plate in the bottom of the third inning of Game 1 of a best-of-three NSCHSAA baseball semifinals against St. John the Baptist at New York Institute of Technology on Monday, May 18, 2015.

Credit: James Escher

St. John the Baptist starting pitcher Nicholas Egan delivers to the plate in the top of the third inning of Game 1 of a best-of-three NSCHSAA baseball semifinals against St. Dominic at New York Institute of Technology on Monday, May 18, 2015.

Credit: James Escher

St. Dominic starting pitcher No. 26 Reiss Knehr delivers to the plate in the bottom of the third inning of Game 1 of a best-of-three NSCHSAA baseball semifinals against St. John the Baptist at New York Institute of Technology on Monday, May 18, 2015.

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