Angelique Kerber is a German three-time Grand Slam champion professional tennis player. Kerber won three Grand Slam titles at the 2016 Australian Open, the 2016 US Open, and the 2018 Wimbledon Championships. She is a former World No. 1.
Simona Halep is a Romanian French Open and Wimbledon champion professional tennis player. Simona Halep reached the No. 1 ranking for the first time on October 9, 2017. Halep was the year-end No. 1 in 2017 and 2018.