Ian Oliver and Kragh Delello contributed two goals apiece for the Yellowjackets (3-0, 3-0), who received one goal and one assist from Peter Paluch.
“Zach had a great night, and once we scored in the second half, it was nice because everybody got to play tonight,” said OHS coach Alex Brannan, whose team took a 3-1 lead into halftime.
Oneonta, which finished with a 30-3 advantage in shots, visits Johnson City on Thursday.
Cooperstown 7, Remsen 1
Jordan Manikas scored four goals to lead Cooperstown to a season-opening victory on the road.
Matt Clinton contributed a goal and an assist for Cooperstown, which outshot Remsen, 21-9, in the Center State Conference Division III game.
Cooperstown hosts Hamilton on Thursday.
Downsville 3, H-T 1
The second of Antonio Gomes’ two goals gave host Downsville a 2-0 lead early in the second half, and the Eagles went on to a Delaware League victory.
Gomes, a senior who qualified state meet in track in the 200 meters this past spring, scored 8 minutes into the second half to make it 2-0. He received a pass from Billy Smith and shot into the lower-left corner.
“It’s definitely a big plus,” Downsville coach Scott Reed said of Gomes’ speed. “He’s very disruptive on the field. Most kids don’t estimate that kind of speed well.”
Mike Tompkins also scored for the Eagles (2-1, 1-0), who will host South Kortright on Thursday.
Chase Plattner scored for Hunter-Tannersville.
Stamford 10, Jefferson 1
Glen Cioccari scored Stamford’s first five goals as the Indians cruised to a Delaware League road victory.
Liam Collins had two goals and one assist and Damian Hill finished with one goal and two assists for Stamford, which also received goals from Coby Fancher and Ken Ward.
Nick Bradley scored in the first half for Jefferson (0-3, 0-1), which will host Margaretville on Thursday.
Roxbury 4, Windham 1
Charlie Dietrich and Chris Walcutt scored two goals apiece in Roxbury’s Delaware League win at home.