Facing — and beating — ranked opponents has become familiar for the Stony Brook women’s lacrosse team this season. Friday night’s game against Colorado showed that Stony Brook belongs among the top tier teams in the country.

The No. 5 Seawolves defeated the No. 4 Buffaloes, 10-6, at home by jumping out to an early lead that they never relinquished. They notched their fourth win against a ranked opponent and first ever against a team ranked as highly as No. 4. The previous high had been a victory against No. 5 Northwestern in 2015.

“Whether it’s a Colorado or whoever it is, they’re in our way of reaching our goal,” Kylie Ohlmiller said. “Focusing on us and not focusing so much on what the other team is doing is how we’re going to gain success.”

Added Mackenzie Burns, “Making them adjust to us is a big thing. Not us adjusting to them.”

Colorado entered the game as one of two unbeaten Division I teams, but the Seawolves wasted little time showing how that could change. Coach Joe Spallina was impressed. “I look at it as a big win, a resume builder,” he said.

Keri McCarthy got Stony Brook (9-1) started with the team’s first two goals, with an answer from Colorado’s Cali Castagnola sandwiched in between. McCarthy’s second with 22:25 left in the first gave the Seawolves a lead they never relinquished.

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Dorrien Van Dyke put in a goal with 20:37 left in the first to make it 3-1, and then Ohlmiller netted her first of the night with 20:04 left to go up 4-1. She had three goals and two assists.

Darby Kiernan scored for Colorado (11-1) with 16:36 left in the first. Stony Brook’s Ally Kennedy made it 5-2 with 11:46 left off an assist from Ohlmiller.

Taryn Ohlmiller, who had two goals and four assists, passed from left to right, where Kylie Ohlmiller swooped and scored for a 6-2 lead with 3:13 left in the first.

Colorado scored 49 seconds into the second and then got another to close the gap to 6-4. Taryn Ohlmiller found the back of the net to extend the lead to 7-4 with 18:21 left.

Colorado’s Darby Kiernan answered twice, the second at 14:56 remaining, cut SBU’s lead to 7-6.

Ally Kennedy scored with 12:46 left before the Ohlmiller sisters linked up one more time with 4:10 remaining. Kylie Ohlmiller got a pass and took a shot while falling down in front of the cage to make it 9-6.

“It’s just how you’re going to score. If I can’t score going forward doing regular things, then I’ll try and score that way,” Kylie Ohlmiller said. “Just confident in all the ways of shooting the ball.”

Taryn Ohlmiller, who capped the scoring with 1:44 left, said, “It’s obviously a big step for us. Now we have to keep winning.”