tiebreaker
means of deciding a single winner of an otherwise-tied contest (e.g. sports)
replay
term in sports
Super Over
in cricket, an additional over of six balls used as a tiebreaker
extra period
additional period of play to bring a game to a decision
sudden death
form of competition where play ends as soon as one competitor is ahead of the others, with that competitor becoming the winner
casting vote
vote an official can cast to resolve a tie or deadlock, which they cannot normally cast
penalty shootout
method of determining a winner in sports matches which would have otherwise been drawn or tied