Lance Armstrong is an American former professional road racing cyclist, known for winning the Tour de France seven consecutive times from 1999 to 2005, before being stripped of his titles due to doping scandals.
This is based on winning 14 head-to-head matchups with other famous people, but also losing 11 head-to-head matchups.
Most recently Lance Armstrong lost a matchup to Richard Dean Anderson (#1831) voted by someone from United States.