Monica Seles is a former world No. 1 tennis player known for winning nine major singles titles. Representing Yugoslavia and later the United States, she became one of the youngest-ever French Open champions.
This is based on winning 1 head-to-head matchups with other famous people, but also losing 25 head-to-head matchups.
Most recently Monica Seles lost a matchup to Johnny Galecki (#671) voted by someone from Canada.