| 2021-10-08 → 2021-10-10 | Pinnacle 2021 - Melee Completed Part of Pinnacle 2021 | C-Tier | Sub-eventFinal / main event | — | 2,500 | — | Catalog |
| 2021-10-02 → 2021-10-03 | The Ascension CompletedAscension Part of The Ascension | C-Tier | Sub-eventFinal / main event | — | — | — | Catalog |
| 2021-10-02 → 2021-10-03 | Herofest 2021 CompletedHardRead Series: Switzerland - Smash Regional & Community Circuits | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| 2021-10-01 → 2021-10-03 | Smash Bong Summit CompletedSuper Smash Bong | C-Tier | Core EventFinal / main event | South America | — | — | Catalog |
| 2021-10-01 → 2021-10-03 | Low Tide City - Smash 64 CompletedLow Tide City Part of Low Tide City | C-Tier | Sub-eventFinal / main event | — | — | — | Catalog |
| 2021-10-01 → 2021-10-03 | Low Tide City - Project M CompletedLow Tide City Part of Low Tide City | C-Tier | Sub-eventFinal / main event | — | — | — | Catalog |
| 2021-10-01 → 2021-10-03 | Low Tide City - Melee CompletedLow Tide City Part of Low Tide City | C-Tier | Sub-eventFinal / main event | — | — | — | Catalog |
| 2021-10-01 → 2021-10-03 | Low Tide City (overview) CompletedTourney Locator Part of Low Tide City | — | Sub-eventProgramme overview | — | — | — | Catalog |
| 2021-10-01 → 2021-10-03 | Low Tide City CompletedLow Tide City | Premier | Core EventFinal / main event | — | — | — | Catalog |
| 2021-09-28 → 2021-11-13 | Mystic Squad - Smash events CompletedMystic Squad | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| 2021-09-25 → 2021-10-24 | SWT 2021 NA West Regional Finals CompletedBeardog Events Part of SWT 2021 NA West Regional FinalsSeries: Smash World Tour | — | Sub-eventFinal / main event | — | — | — | Catalog |
| 2021-09-25 → 2021-09-26 | MST 4 CompletedSmashBrosBCN Part of MST | C-Tier | Sub-eventFinal / main event | — | — | — | Catalog |
| 2021-09-25 → 2021-09-26 | Europe - Smash Community Events 2021 CompletedParis Smash Gang Series: Europe - Smash Regional & Community Circuits | Minor | Core EventFinal / main event | Europe | — | — | Catalog |
| 2021-09-24 → 2021-09-26 | Glitch 8.5 CompletedVGBootCamp Part of Glitch - 2019–2023 | Major | Sub-eventFinal / main event | — | — | — | Catalog |
| 2021-09-18 → 2021-10-24 | SWT 2021 Europe Regional Finals CompletedBeardog Events Part of SWT 2021 Europe Regional FinalsSeries: Smash World Tour | — | Sub-eventFinal / main event | — | — | — | Catalog |
| 2021-09-18 → 2021-09-19 | SWT 2021 Europe Regional Finals - Ultimate CompletedBeardog Events Part of SWT 2021 Europe Regional FinalsSeries: Smash World Tour | C-Tier | Sub-eventFinal / main event | — | 5,000 | — | Catalog |
| 2021-09-18 → 2021-09-19 | LEVELUP Arena 3 CompletedLEVELUP Arena Part of LEVELUP Arena | C-Tier | Sub-eventFinal / main event | — | — | — | Catalog |
| 2021-09-18 → 2021-09-19 | Homecoming (overview) Completed Part of Homecoming | — | Sub-eventProgramme overview | — | — | — | Catalog |
| 2021-09-18 → 2021-09-19 | CT Gamercon 4 CompletedCT Gamercon | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| 2021-09-18 → 2021-09-19 | CT Gamercon 4 (overview) CompletedCT Gamercon Part of CT Gamercon 4 | — | Sub-eventProgramme overview | — | — | — | Catalog |
| 2021-09-18 → 2021-09-19 | CT Gamercon 4 - Melee CompletedGtownTom, Cahleeb, Stoc$ Part of CT Gamercon 4 | C-Tier | Sub-eventFinal / main event | — | — | — | Catalog |
| 2021-09-11 → 2021-09-12 | Eldorado Høstblot Completed | C-Tier | Core EventFinal / main event | — | — | — | Catalog |
| 2021-09-10 → 2021-09-12 | Riptide 2021 - Project M CompletedRiptide Part of Riptide 2021Series: Riptide | C-Tier | Sub-eventFinal / main event | — | — | — | Catalog |
| 2021-09-10 → 2021-09-12 | Riptide 2021 (overview) CompletedRiptide Part of Riptide 2021Series: Riptide | — | Sub-eventProgramme overview | — | — | — | Catalog |
| 2021-09-10 → 2021-09-12 | Eldorado Høstblot (overview) Completed Part of Eldorado Høstblot | — | Sub-eventProgramme overview | — | — | — | Catalog |
| 2021-09-10 → 2021-09-12 | Riptide 2021 CompletedRiptide Series: Riptide | Premier | Core EventFinal / main event | — | — | — | Catalog |
| 2021-09-10 → 2021-09-12 | Riptide 2021 - Melee CompletedRiptide Part of Riptide 2021Series: Riptide | Major | Sub-eventFinal / main event | — | — | — | Catalog |
| 2021-09-04 → 2021-09-05 | Temple: Hermès Edition CompletedVegacy Esports Series: France - Smash Regional & Community Circuits | Premier | Core EventFinal / main event | — | 8500 | — | Catalog |
| 2021-09-03 → 2021-09-05 | COMETCON 2021 CompletedSmash Asturias Part of Spain - Smash Community Events 2021Series: Spain - Smash Regional & Community Circuits | C-Tier | Sub-eventFinal / main event | — | — | — | Catalog |
| 2021-08-28 → 2021-08-29 | SWT 2021 Central America Regional Finals CompletedBeardog Events Series: Smash World Tour | C-Tier | Core EventFinal / main event | — | 5,000 | — | Catalog |
