The Professional Squash Association (PSA) is the governing body for the men's and women's professional squash circuit. The body operates in a similar fashion to the ATP and the WTA for tennis. The PSA's highest professional level, the PSA World Tour involves over 250 tournaments annually around the world. Over 1,200 players from five continents are registered with the PSA and rankings are updated monthly based on players' performances.
Jonathon Tyler Power is a Canadian retired professional squash player. In 1999, he became the first North American squash player to reach the World No. 1 ranking. He won 36 top-level squash events during his career, including the World Open in 1998, and the British Open in 1999.
Amr Shabana is a former professional squash player from Egypt. He won the World Open in 2003, 2005, 2007 and 2009, and reached the World No. 1 ranking in 2006.
Ramy Mohamed Ashour, known as Ramy Ashour, is a retired professional squash player from Egypt. He was one of the world's best squash players in the late 2000s and early 2010s, having won three World titles in 2008, 2012 and 2014. He became the youngest player to reach number one in the world since the 1980s, as well as being the first ever two time World Junior Squash Champion.
The British National Squash Championships are the national squash championships for players from the United Kingdom & Ireland. They are held on an annual basis, with the venue changing for each year.
The Canary Wharf Squash Classic is an annual international squash tournament for male professional players, held at the East Wintergarden in Canary Wharf, London, England.
The Official Women's Squash World Ranking is the official world ranking for women's squash. The WISPA, the WSA and the PSA has used a computerized system for determining the rankings since April 1984. The ranking is to rate the performance level of female professional squash players. It is also a merit-based method used for determining entry and seeding in women's squash tournaments. The rankings were initially produced monthly; this has been changed to weekly basis effective ranking issue dated August 29, 2022.
The Official Men's Squash World Ranking is the official world ranking for men's squash. The ranking is to rate the performance lvee of male professional squash players. It is also a merit-based method used for determining entry and seeding in men's squash tournaments. The rankings have been produced monthly then weekly since 29 August 2022. The current world number one is Ali Farag of Egypt.
The PSA World Tour 2010 is the international squash tour organised circuit organized by the Professional Squash Association (PSA) for the 2010 squash season. The most important tournament in the series is the World Open held in Saudi Arabia. The tour features three categories of regular events, Super Series, which feature the highest prize money and the best fields, Stars Tournament and Challenger. The Tour is concluded by the PSA Super Series Finals, the end of season championship for the top 8 rated players.
The PSA World Tour 2013 is the international squash tour organised circuit organized by the Professional Squash Association (PSA) for the 2013 squash season. The most important tournament in the series is the World Championship held in Manchester in England. The tour features three categories of regular events, World Series, which feature the highest prize money and the best fields, International and Challenger. The Tour is concluded by the PSA World Series Finals, the end of season championship for the top 8 rated players.
The PSA World Series was a series of men's and women's squash tournaments which were part of the Professional Squash Association (PSA) World Tour for the squash season. The tournaments were some of the most prestigious events on the men's tour. The best-performing players in the World Series events qualified for the annual PSA World Series Finals tournament.
The PSA World Tour 2014 is the international squash tour organised circuit organized by the Professional Squash Association (PSA) for the 2014 squash season. The most important tournament in the series is the World Championship held in Doha in Qatar. The tour features three categories of regular events, World Series, which feature the highest prize money and the best fields, International and Challenger.
The PSA World Tour 2009 is the international squash tour organised circuit organized by the Professional Squash Association (PSA) for the 2009 squash season. The most important tournament in the series is the World Open held in Kuwait. The tour features three categories of regular events, Super Series, which feature the highest prize money and the best fields, Stars Tournament and Challenger.
The Texas Open is an annual women's pro squash tournament that takes place alternately in Dallas and Houston, United States in the first half of the year. It is an official PSA World Tour event.
The PSA World Tour 2015 is the international squash tour organised circuit organized by the Professional Squash Association (PSA) for the 2015 men's and women's squash season. The most important tournament in the series is the World Championship held in Bellevue, Washington in the United States. The tour features three categories of regular events, World Series, which feature the highest prize money and the best fields, International and Challenger.
The 2016–17 PSA World Tour is the international squash tour organised circuit organized by the Professional Squash Association (PSA) for the 2016 squash season. It's the 2nd PSA season since the merger of PSA and WSA associations in 2015. The most important tournaments in the series is the Men's World Championship and the Women's World Championship. The tour features three categories of regular events, World Series, which feature the highest prize money and the best fields, International and Challenger. In the middle of the year, the PSA World Series tour is concluded by the Men's PSA World Series Finals and the Women's PSA World Series Finals in Dubai, the end of the world series season for the top 8 rated players. Players performances in the tour are rated by the Men's World Rankings and Women's World Rankings.
The 2017–18 PSA World Tour is the international squash tour organised circuit organized by the Professional Squash Association (PSA) for the 2017 squash season. It's the 3rd PSA season since the merger of PSA and WSA associations in 2015.
The 2018–19 PSA World Tour is the international squash tour organised circuit organized by the Professional Squash Association (PSA) for the 2018 squash season. It's the 4th PSA season since the merger of PSA and WSA associations in 2015.
The 2019–20 PSA World Tour is the international squash tour organised circuit organized by the Professional Squash Association (PSA) for the 2019–20 squash season. It's the 5th PSA season since the merger of PSA and WSA associations in 2015.
The 2020–21 PSA World Tour is the international squash tour organised circuit organized by the Professional Squash Association (PSA) for the 2020–21 squash season. It's the 6th PSA season since the merger of PSA and WSA associations in 2015.
James Willstrop 
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