The 101 uses a tournament standard Smash Melee Ruleset.

Singles Only Tournament

• Double Elimination

• Best of 3, until final 8, then best of 5

• Stock: 4

• Time Limit: 8

• Pausing: Off

• Items: Off

• Starter Stages: Battlefield, Dream Land 64, Final Destination, Fountain of Dreams, Yoshi's Story

• Counterpick: Pokémon Stadium

• The first match is played on one of the five neutral stages listed above. Which neutral stage is picked is determined by RPS stage striking.

• The loser of the first match (and of successive matches) chooses the next stage, and then the winner chooses their character, and then the loser chooses their character.

• The loser cannot choose any stage that they have already won on in the current set.

• The winner may ban one stage from the opponent's selection, except in best-of-5 sets.