1. A multi- game division of a match , as used in some league and tournament formats. For example, in a match between 2 teams of 5 players each, a 25- game match might be divided into 5 rounds of 5 games each, in which the roster of one team moves one line down at the beginning of each round , such that by the end of the match every player on team A has played every player on team B in round robin fashion.
2. A level of competition elimination in a tournament, such as the quarterfinal round , semifinal round and final round .