( especially in games and sports ) up to three, five, etc. games played to decide who wins, the winner being the person who wins most of them
THE BEST OF THREE, FIVE, ETC.
Meaning of THE BEST OF THREE, FIVE, ETC. in English
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005