tie-break

British  

/ ˈtaɪˌbreɪkə /

noun

1. tennis a method of deciding quickly the result of a set drawn at six-all, usually involving the playing of one deciding game for the best of twelve points in which the service changes after odd-numbered points

2. any contest or game played to decide a winner when contestants have tied scores

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Example Sentences

Then came the inconveniently timed rain, which suspended play for almost an hour and ground the fourth set to a halt in a fourth-set tie-break - with Norrie three points from victory.

From BBC

Norrie will next face German third seed Alexander Zverev, who got past Frenchman Alexandre Muller in four sets and has won their previous six meetings - including a deciding-set tie-break in Melbourne two years ago.

From BBC

Raducanu served for the first set at 5-4 but was broken back by Potapova, who promptly pulled away in the tie-break.

From BBC

However, from 4-0 down, Keys rallied to force a tie-break, and came back from a 5-2 deficit in that to clinch the opener.

From BBC

Playing in his first Grand Slam match since splitting from long-time coach Juan Carlos Ferrero, Alcaraz had to wait until the eighth game of the opening set to convert a break point and also had his serve broken in the second, but immediately bounced back with a break of his own and proved too strong in the key moments, pulling away in the second set tie-break to win it 7-2.

From BBC