Luca Gasparotto, Rodrigo Gattas and Simon Adjei scored in the first half as York9 downed visiting Edmonton in the first leg of their Canadian Championship series.
Omar Diock scored in the 66th minute for Edmonton against its CPL rival.
The rematch is June 12 in Edmonton.
READ MORE: Forge FC earns 2-0 win over FC Edmonton
Watch below: Some videos from Global News’ coverage of FC Edmonton in 2019.
The winner will face the Montreal Impact in the next round.