Bracket
| Preliminary Round | Division Semifinals | Division Finals | Calder Cup Final | |||||||||||||||
| 1 | Springfield | 4 | ||||||||||||||||
| 4 | Fredericton | 1 | 4 | Fredericton | 3 | |||||||||||||
| 1 | Springfield | 4 | ||||||||||||||||
| 5 | Maine | 1 | Northern Division | |||||||||||||||
| 3 | Moncton | 1 | ||||||||||||||||
| 2 | Cape Breton | 0 | ||||||||||||||||
| 3 | Moncton | 4 | ||||||||||||||||
| N1 | Springfield | 4 | ||||||||||||||||
| S1 | Rochester | 2 | ||||||||||||||||
| 2 | Binghamton | 4 | ||||||||||||||||
| 3 | Baltimore | 2 | ||||||||||||||||
| 2 | Binghamton | 0 | ||||||||||||||||
| 4 | Hershey | 1 | Southern Division | |||||||||||||||
| 1 | Rochester | 4 | ||||||||||||||||
| 5 | Adirondack | 1 | 1 | Rochester | 4 | |||||||||||||
| 4 | Hershey | 1 | ||||||||||||||||
In the preliminary round, the fourth-placed team is the home team for both games of the two-game series. In each subsequent round, the team that earned more points during the regular season receives home ice advantage, meaning they receive the "extra" game on home-ice if the series reaches the maximum number of games. There is no set series format due to arena scheduling conflicts and travel considerations.
Read more about this topic: 1991 Calder Cup Playoffs