Serena Williams has moved to the last sixteen at the US Open at the expense of fellow countryman Sloane Stephens. The number three on the placement list fought back after a deficit: 2-6 6-2 6-2.

After the hopeless loss of the first set, Williams never returned a service game. The world number eight in the world hit a total of twelve aces and won more than three-quarters of the points on her first serve. After an hour and forty-five minutes, she finished at her first match point.

It was only the first time since 2015 that Williams and Stephenswill meet with 2015 Williams won the game in the fourth round against Roland Garros.

Williams already won the tournament in New York six times, last in 2014. Stephens won the tournament domestically in 2017.

In the eighth finals Williams plays against Maria Sakkari.

Bulgarian Tsvetana Pironkova continued her winning streak and also knocked out Croatian Donna Vekic in the third round.

It became 6-4 6-1. Pironkova (32) is making her comeback in New York and is only playing her first tournament since Wimbledon 2017. Vekic was seeded eighteenth.

Pironkova plays against the winner of the game between Madison Keys and Alizé Cornet.