U.S. Davis Cup captain Mardy Fish and coach Bob Bryan also sanctioned with suspended bans.
The Canadian has a new coach as she heads into the off-season.
Australian captain Lleyton Hewitt gets real about Nick Kyrgios' Davis Cup future.
After the final Lleyton Hewitt gives his take on the format, while organizers weigh in
"We're definitely looking for that title this week, it's what we want," Vasek Pospisil said of Canada's Davis Cup aim.
Marin Cilic edged Pablo Carreno Busta 5-7, 6-3, 7-6 (5) in a three-hour, 13 minute thriller sending Croatia in the Davis Cup semifinals vs. Australia.
The two stars of Polish tennis took to social media to call for investigation into allegations.