a 6-months shut off due to COVID-19, the tour returned to activity with Expression Networks Nolan and Liam's Tournament and Manchester Open. Calendar Key August September October November December January February March April May June July Statistical information The players/nations are sorted by: Total number of titles; Cumulated importance of those titles; Alphabetical order (by family names for players). Key Titles won by player (men's) Titles won by nation (men's) Titles won by player (women's) Titles won by nation (women's) World Championship qualifiers Winners of Odense Open qualification event receive a wildcard for the Men's and Women's World Championships. The qualified players are: World and Continental championships National championships These are the winners of the most relevant national squash championships. Retirements Following is a list of notable players (winners of a main tour title, and/or part of the PSA Men's World Rankings and Women's World Rankings top 30 for at least one month) who announced their retirement from professional squash, became inactive, or were permanently banned from playing, during the 2020–21 season: Campbell Grayson Nour El Tayeb Simon Rösner See also 2020–21 PSA World Tour Finals 2021 Men's PSA World Tour Finals 2021 Women's PSA World Tour Finals References External links PSA World Tour PSA World Tour seasons 2020 in squash 2021 in squash