USTA Press Release, May 24, 2021
The USTA, ATP and WTA today announced that the US Open and seven of the nine ATP and WTA tournaments on the US Open Series will utilize Hawk-Eye Live electronic line-calling on all competition courts in 2021.
In addition to the US Open, the Truist Atlanta Open ATP 250, Citi Open ATP 500 (Washington, D.C.), National Bank Open ATP Masters 1000 (Toronto) and WTA 1000 (Montreal), Western & Southern Open ATP Masters 1000 and WTA 1000 (Cincinnati), Winston-Salem Open ATP 250 (Winston-Salem, N.C.) and Tennis in the Land WTA 250 (Cleveland, Ohio) will utilize Hawk-Eye Live this summer.
The USTA implemented electronic line-calling for the 2020 Western & Southern Open and US Open on all courts except Arthur Ashe and Louis Armstrong Stadiums. In total, Hawk-Eye Live made upwards of 314,000 calls during the two tournaments.