Mark Spitz is an American former competitive swimmer and nine-time Olympic champion, best known for winning seven gold medals at the 1972 Summer Olympics. His record for the most gold medals in a single Olympics stood for 36 years.
This is based on winning 0 head-to-head matchups with other famous people, but also losing 23 head-to-head matchups.
Most recently Mark Spitz lost a matchup to Jennifer Lopez (#77) voted by someone from United States.