Olympics
Most sports using a knockout format in the Olympic Games have a third place game to determine who wins the bronze medal, with the exception being boxing which awards two bronze medals (judo, taekwondo, and wrestling, which also award two bronze medals, both feature two bronze medal matches, between the losing semi-finalists and the winners of the repechage). As the difference between a bronze medal and no medal is quite significant, competitors still take this game seriously.
Read more about this topic: Third Place Playoff