Anastasija Sevastova of Latvia serves to Caroline Wozniacki of Denmark during their quarterfinals round match on the ninth day of the US Open Tennis Championships at the USTA National Tennis Center in Flushing Meadows, New York, USA, 06 September 2016. The US Open runs through September 11. EPA/JUSTIN LANE
Caroline Wozniacki of Denmark hits a return to Anastasija Sevastova of Latvia during their quarterfinals round match on the ninth day of the US Open Tennis Championships at the USTA National Tennis Center in Flushing Meadows, New York, USA, 06 September 2016. The US Open runs through September 11. EPA/JASON SZENES
Caroline Wozniacki of Denmark hits a return to Anastasija Sevastova of Latvia during their quarterfinals round match on the ninth day of the US Open Tennis Championships at the USTA National Tennis Center in Flushing Meadows, New York, USA, 06 September 2016. The US Open runs through September 11. EPA/JASON SZENES
Anastasija Sevastova of Latvia receives medical treatment as she plays Caroline Wozniacki of Denmark during their quarterfinals round match on the ninth day of the US Open Tennis Championships at the USTA National Tennis Center in Flushing Meadows, New York, USA, 06 September 2016. The US Open runs through September 11. EPA/JUSTIN LANE
Caroline Wozniacki of Denmark reacts after defeating Anastasija Sevastova of Latvia during their quarterfinals round match on the ninth day of the US Open Tennis Championships at the USTA National Tennis Center in Flushing Meadows, New York, USA, 06 September 2016. The US Open runs through September 11. EPA/JUSTIN LANE
Topics: 10sballs, 2016 U.S. Open, Anastasija Sevastova, Caro Wozniacki, Flushing Meadows, New York, Photo Gallery, Sports, Tennis, U.S. Open tennis, Wta