GUMS 9 was a Super Smash Bros. for Wii U regional tournament held by Game Underground in Natick, Massachusetts on August 6th, 2016. It was the ninth tournament of the GUMS monthly tournament series. A tournament rife with upsets, it was notably the first GUMS tournament that Marss attended, and did not win, falling to Light and MattyG.
Super Smash Bros. for Wii U singles
Super Smash Bros. for Wii U doubles