The 2021 Masters was held October 19 to 24 at the Sixteen Mile Sports Complex in Oakville, Ontario.

[1] It was the first Grand Slam and first major of the 2021–22 season.

The top 16 ranked men's and women's teams on the World Curling Federation's world team rankings qualified for the event.

[2] In the event that a team declines their invitation, the next-ranked team on the world team ranking is invited until the field is complete.

Top world team ranking men's teams:[3] Top world team ranking women's teams:[4] The teams are listed as follows:[2] Source:[21][22] All draw times are listed in Eastern Time (UTC−04:00).