美国网球公开赛系列赛 (Chinese Wikipedia)

Citi Open returns to US Open Series for 2019. US Open Series. [2019-08-02]. （原始内容存档于2022-05-21）（英语）.
US Open Series | US Open Series. www.usopenseries.com. [2025-09-09]. （原始内容存档于2023-12-02）（英语）.
http://www.usopenseries.com/. www.usopenseries.com. [2025-09-09]. （原始内容存档于2024-02-25）（英语）.
Bonus Challenge. US Open Series. [July 2, 2011]. （原始内容存档于2011-10-05）.
US Open Series Tournaments. [2021-08-16]. （原始内容存档于2022-05-21）.

web.archive.org (Global: 1^st place; Chinese: 1^st place)

Clarke, Liz. USTA Moves to Promote Tennis; U.S. Open Series Aims To Please Players, Fans. The Washington Post. April 20, 2004 [July 2, 2011]. （原始内容存档于2012-11-07）.
Rothenberg, Ben. Why DC's Citi Open separated from U.S. Open Series. Sports Illustrated. [2016-06-01]. （原始内容存档于2022-05-21）.
DC's Citi Open Bumped Out Of U.S. Open Series Due To TV Deal With Tennis Channel. Sports Business Daily. [2019-04-03]. （原始内容存档于2021-01-20）（英语）.
Citi Open returns to US Open Series for 2019. US Open Series. [2019-08-02]. （原始内容存档于2022-05-21）（英语）.
Tennis.com. From Cincinnati to Charlotte? Future of Western & Southern Open may involve moving cities. Tennis.com. [2023-07-26]. （原始内容存档于2023-07-26）（英语）.
US Open Series | US Open Series. www.usopenseries.com. [2025-09-09]. （原始内容存档于2023-12-02）（英语）.
http://www.usopenseries.com/. www.usopenseries.com. [2025-09-09]. （原始内容存档于2024-02-25）（英语）.
Archived copy. [2015-04-24]. （原始内容存档于2015-04-02）.
Bonus Challenge. US Open Series. [July 2, 2011]. （原始内容存档于2011-10-05）.
Kreda, Allan. Clijsters Wins U.S. Open; Federer, Agassi Make Final. Bloomberg. September 10, 2005 [July 2, 2011]. （原始内容存档于2015-09-24）.
Clijsters Wins Second Consecutive U.S. Open Title. Long Island Tennis Magazine. September 13, 2010 [July 2, 2011]. （原始内容存档于2012-03-17）.
Federer tames Djokovic to clinch US Open crown. ABC News. September 10, 2007 [July 2, 2011]. （原始内容存档于2011-05-04）.
Bonus Challenge – Emirates Airline US Open Series. Emirates Airline US Open Series. [2021-08-16]. （原始内容存档于2014-08-20）.
US Open 2013: Taxman cometh for champions. ZeeNews India. September 10, 2013 [September 10, 2013]. （原始内容存档于2014-07-30）.
Serena sweeps aside Wozniacki for third straight US Open. US Open Official Site - A USTA Event. [2022-07-15]. （原始内容存档于2022-05-21）.
Tandon, Kamakshi. Emirates drops US Open Series Sponsorship; adds US Open involvement. tennis.com. 7 February 2017 [2021-08-16]. （原始内容存档于2020-09-20）.
US Open Series Tournaments. [2021-08-16]. （原始内容存档于2022-05-21）.

美国网球公开赛系列赛 (Chinese Wikipedia)

abc.net.au (Global: 139th place; Chinese: 367th place)

bloomberg.com (Global: 99th place; Chinese: 225th place)

emiratesusopenseries.com (Global: low place; Chinese: low place)

india.com (Global: 385th place; Chinese: 5,264th place)

zeenews.india.com

longislandtennismagazine.com (Global: low place; Chinese: low place)

pqarchiver.com (Global: 490th place; Chinese: 1,398th place)

pqasb.pqarchiver.com

si.com (Global: 168th place; Chinese: 629th place)

sportsbusinessdaily.com (Global: 2,933rd place; Chinese: 4,439th place)

sportsbusinessjournal.com (Global: 5,245th place; Chinese: low place)

sportskeeda.com (Global: 781st place; Chinese: 1,949th place)

tennis.com (Global: 1,434th place; Chinese: 2,604th place)

twitter.com (Global: 23rd place; Chinese: 34th place)

usopen.org (Global: 2,559th place; Chinese: 2,361st place)

usopenseries.com (Global: low place; Chinese: low place)

web.archive.org (Global: 1st place; Chinese: 1st place)

abc.net.au (Global: 139^th place; Chinese: 367^th place)

bloomberg.com (Global: 99^th place; Chinese: 225^th place)

india.com (Global: 385^th place; Chinese: 5,264^th place)

pqarchiver.com (Global: 490^th place; Chinese: 1,398^th place)

si.com (Global: 168^th place; Chinese: 629^th place)

sportsbusinessdaily.com (Global: 2,933^rd place; Chinese: 4,439^th place)

sportsbusinessjournal.com (Global: 5,245^th place; Chinese: low place)

sportskeeda.com (Global: 781^st place; Chinese: 1,949^th place)

tennis.com (Global: 1,434^th place; Chinese: 2,604^th place)

twitter.com (Global: 23^rd place; Chinese: 34^th place)

usopen.org (Global: 2,559^th place; Chinese: 2,361^st place)

web.archive.org (Global: 1^st place; Chinese: 1^st place)