Crossword clue: a sporting competition in which contestants play a series of games to decide the winner

The most common answer is tournament (10 letters).

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

tournament 10 letters wn-def

a sporting competition in which contestants play a series of games to decide the winner

tourney 7 letters wn-def

a sporting competition in which contestants play a series of games to decide the winner