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The PSA World Series (formerly known as the PSA Super 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.

Each year, several tournaments on the tour were designated World Series events. These included major events such as the World Championship, the British Open, the Hong Kong Open or the Tournament of Champions. Then, early the next year, the eight best-performing players from the Super Series events were invited to compete in the PSA World Series Finals (a similar event to the ATP World Tour Finals).

The World Series Squash Finals were first staged in Vitis Club in Zurich, Switzerland, in 1993 and 1994. The event was then moved to England and held at the Galleria shopping complex in Hatfield from 1996 to 1998. From 1999 to 2006, it was held in the Broadgate Arena in London. In 2007, the event was moved to the National Squash Centre in Manchester. In 2009, the tournament was shortened to a four-day format and played at the Queen's Club in London.

From January 2015, it also included World Series tournaments for women after a merger between PSA and WSA in November 2014.

After 2017–18, the PSA World Series was replaced by the PSA World Tour and PSA World Tour finals.

Here is the list of tournaments that have been at least a season PSA World Series tournament since 1993 :

Tournament	Country	Location (the last)	Notable venue	Began	Sex
World Championship	/	/	/	1976	M/F
British Open	Great Britain	Hull	Airco Arena	1930	M/F
Tournament of Champions	United States	New York City	Grand Central Terminal	1930	M/F
US Open	United States	Philadelphia	Daskalakis Athletic Center	1954	M/F
Hong Kong Open	Hong Kong	Hong Kong	Tsim Sha Tsui	1985	M/F
Qatar Classic	Qatar	Doha	Aspire Academy Squash Complex	1992	M
Windy City Open	United States	Chicago	University Club of Chicago	2001	M/F
El Gouna International	Egypt	El Gouna	Abu Tig Marina	2010	M/F
Saudi PSA Masters	Saudi Arabia	Riyadh	PNU Sports Complex	2017	F
North American Open	United States	Richmond, Virginia	Westwood Club	1966	M
Australian Open	Australia	Canberra	National Convention Centre	1980	M/F
Brazil Open	Brazil	Rio	/	1993	M
JSM Super Squash	Japan	Yokohama	/	1994	M
Mahindra International	India	Bombay	/	1994	M
Al-Ahram International	Egypt	Cairo	Giza Plateau (in front of the pyramids)	1996	M/F
Pakistan International	Pakistan	Islamabad	/	1999	M
PSA Masters	/ / /	New Delhi	/	2000	M
Kuwait PSA Cup	Kuwait	Kuwait City	/	2004	M
Saudi International	Saudi Arabia	Al Khobar	/	2005	M
Sky Open	Egypt	Cairo	/	2008	M
British Grand Prix	England	Manchester	National Squash Centre	2010	M

PSA World Series events also had a separate World Series ranking. Points for this were calculated on a cumulative basis after each World Series event. The top eight players at the end of the calendar year were then eligible to play in the PSA World Series Finals.

At the same time, the players competing in PSA World Series events earned world ranking points according to the prize money, the classification of the event and the final position in the draw the player reached.

Year	Location	Champion	Runner-up	Score in final
1993	Zurich	Jansher Khan	Chris Dittmar	15–10, 10–15, 15–13, 15–8
1994		Jansher Khan	Peter Marshall	8–15, 15–8, 15–7, 15–9
1995	No competition
1996	Hatfield	Del Harris	Brett Martin	10–8, 7–9, 9–4, 6–9, 9–2
1997		Jansher Khan	Brett Martin	9–7, 9–5, 9–2
1998		Jansher Khan	Simon Parke	15–12, 13–15, 15–11, 15–10
1999	London	Peter Nicol	Ahmed Barada	15–8, 9–15, 15–9, 15–11
2000		Peter Nicol	Simon Parke	13–15, 15–9, 15–12, 12–15, 15–12
2001		Peter Nicol	David Palmer	15–7, 15–11, 13–15, 17–14
2002		David Palmer	Thierry Lincou	15–9, 10–15, 15–7, 10–15, 15–4
2003		Jonathon Power	Peter Nicol	15–11, 10–15, 13–15, 15–4, 15–14
2004		Thierry Lincou	Joe Kneipp	10–11 (0–2), 11–9, 11–2, 11–1
2005		Jonathon Power	Thierry Lincou	11–7, 11–6, 11–2
2006		Anthony Ricketts	Lee Beachill	11–7, 6–11, 11–4, 11–10 (2-0)
2007	Manchester	Ramy Ashour	Grégory Gaultier	11–10 (2–0), 11–8, 4–11, 11–4
2008	London	Grégory Gaultier	Amr Shabana	11–9, 11–8, 11–8
2009		Grégory Gaultier	Thierry Lincou	11–6, 8–11, 11–5, 11–5
2010[1]		Nick Matthew / Amr Shabana		Not played[2]
2011		Amr Shabana	Grégory Gaultier	6–11, 12–10, 11–7, 7–11, 11–8
2012		Amr Shabana	Nick Matthew	4–11, 11–2, 11–4, 11–7
2013	Richmond	Ramy Ashour	Mohamed El Shorbagy	15–17, 11–7, 11–4, 11–5
2014	World Series Finals were not held
2015
2016	Dubai	Grégory Gaultier	Cameron Pilley	11–4, 11–5, 8–11, 11–6
2017		Mohamed El Shorbagy	James Willstrop	12–10, 11–9, 11–8
2018		Mohamed El Shorbagy	Ali Farag	9–11, 11–3, 11–9, 11–8

Year	Location	Champion	Runner-up	Score in final
2011	London	Nicol David	Madeline Perry	11–9, 11–9, 11–9
2012		Nicol David	Laura Massaro	11–3, 11–2, 11–9
2013	World Series Finals were not held
2014
2015
2016	Dubai	Laura Massaro	Raneem El Weleily	9–11, 11–6, 5–11, 12–10, 11–5
2017		Laura Massaro	Nour El Sherbini	11–8, 12–10, 11–5
2018		Nour El Sherbini	Raneem El Weleily	3–11, 8–11, 11–7, 11–4, 11–6

• Professional Squash Association
• WSA World Series
• Official Men's Squash World Ranking
• Official Women's Squash World Ranking

• World Series Series Squash website