What is a tiebreak?

Many a system has been used to separate winners and losers in sporting events where a draw is unpalatable | The Economist explains

How Does the Express Entry Tie Breaker Rule Work?

How to Play a Tennis Tiebreaker: 12 Steps (with Pictures)

Regular Season Matchup Tiebreakers (LM Leagues) – ESPN Fan Support

Tiebreak scenarios? : r/DenverBroncos

Tennis Scoring & Tiebreakers

Exciting new concept in tennis, Tie Break Tens

Exciting new concept in tennis, Tie Break Tens

What is a Tie Break in Tennis? Explained (Advantage, Types) - MyTennisOutfitter

The Evolving Role of the Tiebreaker - The New York Times

How do ties in tournaments work? - Chess.com Member Support and FAQs

Tennis Scoring Simplified Point System + How To Keep Score

Frome Tennis / TB10's