Third game, perhaps

• Crucial vote
• Overtime round
• Overtime play in order to break a tie
• Overtime, e.g., and a hint to what spans the two words of each starred answer
• This may decide a Seles match
• Deciding game
• Tennis "overtime"
• Walk-off home run, often

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ Finally, complete the tiebreaker , saying in up to 20 words why you'd like to win first prize. ▪ Instead, there was a tiebreaker . ▪ The tiebreaker will be inPart 3, our December 1992 issue. ▪ The muscular Stoliarov pulled out ...