The Lincolns gave up nine power play opportunities and the London Nationals capitalized on four of them to beat St. Marys 6-2.
The Lincolns were out shot 58-18.
Brett Primeau scored two of the Nationals goals. Luke Drewitt, Mathew Shuckett and Mitchell Webb each had two assists.
Michael Andrews and Clayton Lewis scored for the Lincolns.
Evan Morrison made 52 in the loss for St. Marys. David Ovsjannikov only needed to stop 16 shots to earn the win.