Tiebreaker rules and scoring system at the 2022 US Open - NBC Sports Washington
From Ashe to Williams, Rackets of U.S. Open Champions - The New York Times
Year by Year | History of the US Open - Official Site of the 2023 US Open Tennis Championships - A USTA Event
September 6, 1975: The day Chris Evert won the first of six US Open titles - Tennis Majors
The History of the U.S. Open Tennis Tournament: Facts, Past Winners, and More
U.S. open results, Sept. 4
Rosie Casals vs. Margaret Court, 1970 US Open - YouTube
Alcaraz tops Tiafoe in 5 to reach final | US Open updates | KAMR - MyHighPlains.com
US Open Flashbacks: 1960s/1970s - CBSSports.com
1970 Press Photo Tony Roche, Australian Tennis Player, Plays in U.S. Open | eBay
From the Archives, 1970: Arthur Ashe wins Australian Open
U.S. Open | History, Winners, & Facts | Britannica
US OPEN CHAMPIONS KEN ROSEWALL - 1970 - Tennis Pro Legacy | Facebook
1970 Press Photo Nancy Richey Forest Hills Open Tennis - dfpb28927 | eBay
1970 THIRD US OPEN TENNIS CHAMPIONSHIP USLTA MAGAZINE FOREST HILLS Ashe | #350014774
July 25, 1970: The day the USTA announced the introduction of the tie-break - Tennis Majors
Guide to the Citi Open Tennis Tournament in DC | Washington DC
1970 Press Photo Stan Smith tennis US Open - Historic Images
Veterans Stosur, Zhang win doubles title at U.S. Open | Reuters
U.S. Open | History, Winners, & Facts | Britannica
Ken Rosewall vs. Tony Roche in 1970 U.S. Open - Jim's blog
The US Open introduced the tiebreak set 50 years ago today - Official Site of the 2023 US Open Tennis Championships - A USTA Event
Australia's Margaret Court, right, and Rosemary Casals of San Francisco chat after their doubles match at the U.S. Open in Forest Hills, New York, Sept. 12, 1970. Court and her partner countrywoman
