[1] The challenge is not automatically held every year, and only takes place when a team in the Americas zone challenges the second-ranked Americas team in that year's World Curling Championship (or the first-ranked team if the second-ranked is hosting).
The first challenge was held in 2009, with Brazil losing to the United States.
[2] In January 2018, with the United States automatically qualifying as hosts of the 2018 World Men's Curling Championship, Brazil challenged and lost to Canada.
Brazil's women's team challenged the United States in November 2018, but conceded to the United States to qualify for the World Qualification Event.
In 2019, Mexico joined the challenge but the United States still won going 4-0.