 In the semi finals against reigning Brier and World Champion Kevin Koe, Manitoba was in control almost the whole way but up 5-3 with hammer in the 8th end Koe would make an incredible comeback with a steal in the 8th, a two in the 10th, and another steal in the extra end, dropping Manitoba to the bronze medal game.They would recover from this disappointment to win his first Brier medal, defeating Brad Jacobs in their rematch of the 2016 bronze medal game, 7-6 in an extra end.While competing at the 2018 Viterra Championship, McEwen came down with chickenpox and was unable to play after the first game.