For Kelly George, the only way to ensure her high school soccer career continued was embrace her inner freshman self.

George, who made the final penalty kick in Garden City’s 2013 Nassau A girls soccer championship, did the same Tuesday night after a scoreless 110 minutes in Garden City’s 4-3 penalty kick victory over South Side at Cold Spring Harbor High School.

“A little full circle thing going around,” George said.

No. 2 Garden (9-4-3) defeated No. 1 South Side (11-2-4) in penalty kicks to advance to play Suffolk A champion No. 4 Mt. Sinai (12-3-2) Friday at 4 p.m., with Friday’s winner advancing to the state semifinal in Cortland Saturday November 12.

Garden City and South Side are deemed co-champions with Garden City advancing to the Long Island championship.

“The same thing actually happened freshman year and I took the fifth kick,” George said, and I was just like, ‘I did it before. Let’s try to do it again.’”

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The Garden City back line of Megan Seel, Gabriella Rodgers, Jackie Morris and Kate Farrell with Kaitlyn Larsson in net and the South Side back line of Allison Mahoney, Gabrielle Lucas, Katherine Parker and Annie Ford with Kayla Klarides played tremendous games to keep the other team from scoring.

“We’ve literally been playing together since the third grade and this wasn’t our last game,” Farrell said. “We were so happy winning Counties last year but it doesn’t compare to this because it’s our senior year and we knew we had to get it done.”

South Side and Garden City have combined to win every Nassau A championship this century, with South Side coming on top 13 times but Garden City advancing the previous two seasons.

Larrson had five saves in regulation and added a stop in penalty kicks.