Sachin Tendulkar is a former Indian cricketer and captain of the Indian national team, widely regarded as one of the greatest batsmen in the history of cricket. He is the highest run-scorer in international cricket.
This is based on winning 7 head-to-head matchups with other famous people, but also losing 23 head-to-head matchups.
Most recently Sachin Tendulkar lost a matchup to Jared Padalecki (#850) voted by someone from Germany.