| Datum | Země | Název, adresa | Pořadatel |
|---|---|---|---|
| 31.12.2003 |  | Inoki Bom-Ba-Ye 2003 - Inoki Festival Kobe Wing Stadium in Kobe, Japan, Japan | Inoki Genome Federation |
| 31.12.2003 | | K-1 - Premium 2003 Dynamite!! Nagoya Dome, Nagoya, Japan, Japan | K-1 |
| 31.12.2003 | | Pride FC - Shockwave 2003 Saitama Super Arena, Saitama, Japan, Japan | Pride Fighting Championships |