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Toronto, the first transatlantic sports team, won 14-6 against the amateur West Yorkshire side.
Ryan Burroughs scored the Wolfpack's opening try, but the Halifax outfit took the lead after the break.
Tries from Greg Worthington and Adam Sidlow sealed Toronto's victory, before Fui Fui Moi Moi was sent off late on.
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Toronto start their League 1 season against London Skolars next weekend, but will play away fixtures in England until May because of Canada's weather, when English sides will then fly out to play them, with all their costs covered.
This pattern will continue throughout the campaign in five-week blocks of Toronto playing in England and then teams travelling out to them.
Former Leigh head coach Paul Rowley is in charge of the side, while their director of rugby is former Great Britain, Bradford and Wigan coach Brian Noble.
The club hope to reach Super League in five years and grow the global appeal of the sport.

A 21-year-old man required hospital treatment after the attack near the Stag Bar on Weavers Close on Thursday 22 December.
Police Scotland has released images of a man they wish to trace in connection with the incident.
They have asked him or anyone who might know him to come forward to assist with their inquiries.
He has been described as a black male, aged between 25 and 35 years old with short, dark hair, dark facial hair or a beard.
At the time of the incident, he was wearing a two-tone hooded anorak, dark trousers and dark footwear.
He was seen in the vicinity of the incident and also subsequently in the Townhouse Hotel.
It is believed that he may have links to the Liverpool or Manchester area.
Newly established Canadian rugby league side Toronto Wolfpack have won their first-ever game, beating Siddal in the third round of the Challenge Cup.
[NEXT_CONCEPT]
Police have released CCTV images as part of investigations into an assault outside an Arbroath bar last year.