| — | Sector Z - Listed editions CompletedJMYL | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| — | See Me On LAN CompletedSee Me On LAN!! | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| — | Ultimate SEL CompletedGametek | C-Tier | Core EventFinal / main event | — | 1,886 | — | Catalog |
| — | Searing Sands Completed | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| — | SCSA West Coast Circuit CompletedSCSA West Coast Circuit | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| — | Scarlet Smackdown Completed | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| — | Seal the Deal CompletedSeal the Deal | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| — | United Kingdom - Smash Community Events (dates not listed) / Collection 2 Completed Series: United Kingdom - Smash Regional & Community Circuits | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| — | Scenic City 2017 Completed | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| — | Scorpius CompletedAON Gaming | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| — | Sector Z CompletedSector Z | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| — | Sea Crest Smash CompletedSplyce | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| — | Scarlet Classic CompletedScarlet Smash | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| — | Saving Mr. Lombardi CompletedTop Shelf Esports | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| — | United States - Smash Community Events (dates not listed) / Collection 16 Completed Series: United States - Smash Community Events - Listed programmes / Collection 2 | — | Core EventFinal / main event | — | — | — | Catalog |
| — | Scarlet Knightmare Completed | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| — | Save Point CompletedLess Casual Gaming | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| — | Santa Clara Melee CompletedSanta Clara Melee | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| — | Samus' Lair Completed | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| — | Salvation CompletedSalvation | C-Tier | Core EventFinal / main event | — | 180 | — | Catalog |
| — | Salziger Spucknapf CompletedSalziger Spucknapf | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| — | Sapocalypse CompletedKSU Smash | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| — | Salty Arena Cup Ultimate - Listed editions / Collection 2 CompletedSalty Arena Cup | — | Core EventFinal / main event | — | — | — | Catalog |
| — | Sabado Gigante: Rollback Edition CompletedRaikin | C-Tier | Core EventFinal / main event | South America | — | — | Catalog |
| — | Safe Haven CompletedKadano | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| — | Saint Smash CompletedSaint Smash | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| — | Salty Arena Cup Ultimate - Listed editions / Collection 1 CompletedSalty Arena | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| — | Saints Gaming Live Completed | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| — | Run, Don't Walk CompletedRun, Don't Walk | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| — | Rumble in the Tundra 6 CompletedRumble in the Tundra | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
