Sabine Lisicki, record serve: Science explains why female tennis players can serve as fast as men.
Sabine Lisicki outlasts Agnieszka Radwanska in a Wimbledon semifinal - Los Angeles Times
Sabine Lisicki and her battle against mononucleosis
Sabine Lisicki
German tennis player SABINE LISICKI (GER) hitting a forehand shot during women's singles match in US Open 2017 Tennis Championship, New York City, Ne Stock Photo - Alamy