| Datum | Země | Název, adresa | Pořadatel |
|---|---|---|---|
| 16.1.1998 |  | EC 13 - Extreme Challenge 13 Kenosha, Wisconsin, United States | Extreme Challenge |
| 16.1.1998 |  | Pancrase - Advance 1 Korakuen Hall, Tokyo, Japan, Japan | Pancrase |
| 16.1.1998 | | WPC - World Pankration Championships 2 Dallas, Texas, United States | World Pankration Championships |