Jackie Robinson was an American baseball player who broke Major League Baseball's color barrier in 1947 by playing for the Brooklyn Dodgers. He was a six-time All-Star and won the NL MVP Award in 1949.
This is based on winning 10 head-to-head matchups with other famous people, but also losing 20 head-to-head matchups.
Most recently Jackie Robinson lost a matchup to Fernando Muslera (#819) voted by someone from United States.