Marat Safin is a retired Russian tennis player and former world No. 1. He won two Grand Slam titles and helped Russia secure Davis Cup victories. Safin is also known for his fiery temperament on court.
This is based on winning 1 head-to-head matchups with other famous people, but also losing 13 head-to-head matchups.
Most recently Marat Safin lost a matchup to Madonna (#63) voted by someone from Canada.