Tournament:Mega Smash Mondays 100

Mega Smash Mondays 100 (MSM 100) was a super regional tournament and the 100th edition of the  weekly series that happened in Santa Ana, California. Taking place on June 12th, 2017, the Monday after, many top players were in attendance such as , , , , , , and. In honor of MSM's mascot Mega Man, it also featured an exhibition match between Kameme and, the two best mains in the world.

With 229 entrants, MSM 100 currently stands as the largest Smash 4 weekly of all time.

singles
(229 entrants) Bracket

* Pink Fresh took 's spot, who had been DQed from winners earlier.