Just a final update post US Open.
FAA was leading when Alcaraz retired from their quarterfinal match, which resulted in FAA making his first ever slam semifinals. He ended up losing in straight sets to Medvedev, who clearly was a level above. Still a great result for FAA, which carries him to his new career high ranking of 11, and 10th in the ATP race.
Leylah continued her incredible run by taking out #2 ranked Sabalenka to complete an extremely unlikely run to the US Open final. She managed to beat the #16, #5, #3 and #2 seeds... but ironically loses to #150 ranked qualifier Raducanu in the finals.
On the doubles side, Dabrowski had a great chance to make it to the finals of Womens Doubles, but unfortunately her partner Stefani suffered a leg injury during the semifinal match which forced them to retire.
All in all, I think the US Open would have to be considered a big success for the Canadians.