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A tiebreaker is used to determine a winner when a competition ends in a tie. This can take the form of an additional contest, a period of play, or a specific point, vote, or score.12

In sports like tennis, a tiebreaker is often implemented when the score reaches a certain point, such as six games each in a set. This prevents matches from extending indefinitely and ensures a definitive outcome. Beyond sports, a tiebreaker can also refer to a person whose vote resolves a tie, such as a vice president in a Senate vote.31

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