U.S. Open Will Be First Grand Slam With Electronic Line Calling at Every Match

Venus Williams (R) and Serena Williams look at the replay of a disputed call during the Women's Doubles final of the 2009 U.S. Open. (Photo by Matthew Stockman/Getty Images)The U.S. Open, which pioneered the use of video replay in 2006, will become the first Grand Slam tournament to install electronic line calling capabilities for every match later this summer.

All 16 competition courts will have Hawk-Eye technology, more than doubling the seven served last year. In 2017, Hawk-Eye was only available on the four main courts (Arthur Ashe Stadium, Louis Armstrong Stadium, Grandstand, and Court 17) and Courts 5, 10, and 13.

The latter three relied on a dedicated replay room inside Arthur Ashe, a…