| Datum | Země | Název, adresa | Pořadatel |
|---|---|---|---|
| 10.10.2003 |  | BONO 9 - Battle of New Orleans 9 New Orleans, Louisiana, United States | Battle of New Orleans |
| 10.10.2003 |  | GVTO - Garra Vale Tudo Open 3 Constancio Vieira Gymnasium, Aracaju, Sergipe, Brazil | Garra Vale Tudo Open |
| 10.10.2003 |  | M-1 MFC - Russia vs. the World 6 Moscow, Russia, Russia | M-1 Global |
| 10.10.2003 | | ROTR 4 - Rumble on the Rock 4 Blaisdell ArenaHonolulu, Hawaii, United States | Rumble on the Rock |
| 10.10.2003 |  | TPIFC 29 - TPI Fighting Championship 29 Jakarta, Indonesia, Indonesia | TPI Fighting Championship |
| 10.10.2003 | | XKK - Clash in Curtiss 2 El NortenoCurtiss, Wisconsin, United States | Xtreme Kage Kombat |