Ronaldinho, a Brazilian former footballer, is considered one of the greatest players of all time. Known for his technical skills, creativity, and flair, he has won numerous prestigious awards including the Ballon d'Or and FIFA World Player of the Year.
This is based on winning 8 head-to-head matchups with other famous people, but also losing 14 head-to-head matchups.
Most recently Ronaldinho lost a matchup to Ban Ki-moon (#1606) voted by someone from United States.