Rankings of players make Britain the favourites. However I think Fernandez is under-ranked and perhaps Katie is a little over-ranked.
Raducanu should beat whomever she goes up against.
Doubles could be key.
Last time I saw Leylah live was at Eastbourne this year. OK different surface but I think Katie was on fire tonight and she could well have the beating of her with her stronger serve and more powerful ground strokes.
Yeah, I'd say Leylah is a bigger favourite vs Katie. She has wins over Shnaider (who thrashed Katie) and Rybakina the past months, took Zheng to three sets twice too.
I'd be surprised if it wasn't 2-1 to Canada, but good luck ladies!