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 a tiebreaker in tennis work? - Quora

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

Rules Of Tennis Tiebreaks - How They Work. How To Win.

Tennis Tiebreak: meaning, rules, scores, super tiebreak and more

Tennis Scoring & Tiebreakers

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

World Cup tiebreakers: Rules and scenarios to advance from group - Sports Illustrated

Tie Break Tens

The tie break in padel: regulations

How does a tiebreaker in tennis work? - Quora

NFL Playoff Tiebreakers: Rules and Procedures for Division, Wild Card Tiebreakers

Tiebreak scenarios? : r/DenverBroncos

Frome Tennis / TB10's

How to play a tiebreaker