Cavalry FC the side flew quickly to Calgary on Friday after losing 1-0 to Vancouver Whitecaps in Vancouver, hard-fought match. The Whitecaps took the first quarter-final game early. Cavalry now need a crucial win to stay in the tournament, to keep hopes alive. Another loss would bring about the end of their run in the Canadian Championship so far. Calgary will host the return match on Tuesday, in front of eager fans, later this week. One mistake could be fatal. The winner goes on to face the semifinals next, in the next stage.