More forfeits, twice as much time. Examples listed in book. More forfeits possible. Must have valid system to choose champion. Have balance teams.
Winners play winners losers play losers.
Always play new opponent. Design a round robin tournament that is followed by a playoff. Show the brackets and schedule of each team. Show how many days it will take to play and number of games involved. Difference between intramural, extramurals, club, a varsity sports.