Both Isidore Newman and University Lab flexed their muscles en route to the Division III girls soccer quarterfinals, but Monday’s contest btween the teams was a nail-biter.

A 32-yard dipping strike by Alyssa Strupp in the 77th minute ended the stalemate as University Lab escaped Michael Lupin Field, fending off Newman 1-0.

“I can barely remember. My heart is racing. I screamed right after the shot went in. I was on the verge of crying,” Strupp said. “I knew I had to pop it over because she was so good at saving everything else. Like right over her hands. I was hoping to catch her off guard a little bit.”

It worked — unlike the other seven attempts Greenies keeper McKenzie Cummins denied, preserving a scoreless match deep into the second half.

“I think it kind of stunned us. We’re thinking ‘this keeper is playing out of her mind,’ ” Cubs coach Melissa Ramsey said. “But we had to do our best to stick with it, stay patient and hope something like this last goal would get in. It’s hard as a forward because you get antsy. You’re trying and trying to score, but it’s not going in. It was lots of ebbs and flows. There were plenty of advantages and thankfully the last one was ours.”

To get to the quarterfinals, the No. 10 Greenies (12-7-4) decimated No. 23 Christian Life 7-0 before thumping No. 7 Ascension Episcopal 4-0 on the road to a third-round berth. The No. 2 Cubs who blank No. 31 Grace Christian 5-0 in the opener and downed No. 15 Episcopal of Acadiana 2-0.

The Cubs (21-1-3) will host No. 3 Sacred Heart in the semifinals.

“It’s unfortunate that that’s the goal, especially with three minutes left,” Newman coach Lynsey Winkler said. “It’s tough to rally and come back too, but I’m proud of how they played.”