Pilit Diakonowicz scored two unassisted goals, including the game winner on a penalty kick with 6:39 remaining, to lift the Eagles to the KVAC B win.
Jack Duncan also scored for Lincoln (1-0-0). Tiger Cumming made eight saves.
Jackson Tweedy and Cam Rizzo scored for Gardiner (0-1-0) while Sean Doyle made six saves.
LINCOLN ACADEMY 3, GARDINER 2
|Lincoln Academy (1-0)||0||3||—||3|
Lincoln Academy, Tiger Cumming, 8; Gardiner, Sean Doyle 6.