The move, called “groundbreaking” by 2017 U.S. Open champion Sloane Stephens, is aimed at players who take a break from the tour to undergo procedures like egg or embryo freezing.

The WTA has installed a new tour rule protecting players who undergo fertility treatments. Here is what that means for the sport.

Women's tennis players who choose to undergo a fertility protection procedure will be allowed to take time away from the sport and return to competitive action with a protected ranking, the WTA announced Wednesday.