The day the USTA introduced the tiebreak - Tennis Majors

On this day in 1970, the USTA introduced a bold change in the scoring format of tennis, one that would be adopted across the board over the years.

A New Tiebreak Rule, Rafa Topples Another American and Fritz's Flurry

Novak Djokovic wins U.S. Open for 24th Grand Slam title, National

The End of the Endless Final Set: Grand Slams Adopt Same Tiebreaker - The New York Times

The day the USTA introduced the tiebreak - Tennis Majors

How is the winner decided if they get to 6-6 in the fifth set? - AS USA

John Isner, Donald Young lead Americans into second week of U.S. Open

Wimbledon Introduces Final Set Tiebreak; Serena's Coach Pushes For On-Court Coaching

May 21, 1881: The day the USTA was founded - Tennis Majors

Tennis: The day a very special US Open edition began