Willie Peeters
UFC Debut
Record
Streak
L1
Age
Date of birth
- Fighting out of
- Arnhem, Gelderland
- Born
- Netherlands
- Camp
- Dolman Gym
- Weight class
- Heavyweight
- Height
- 5'9" · 175 cm
Before the UFC
Willie Peeters makes their UFC debut
Our striking, grappling, and schedule metrics are measured from UFC fights, so they come online after this bout. Here is the career they bring in — and how live the opposition has been.
UFC debut
Aug 20, 2026
Pre-UFC opposition
ModerateOpponents' combined record
200-187-13
.517 win rate
Winning-record opponents
9 of 19
carried winning pro records
Pro bouts faced
20
19 opponents with records on file
A descriptive read of the non-UFC slate from opponents’ full career pro records — not a UFC-grade Schedule Score.
UFC fight history
No UFC bouts on record yet.
Outside the UFC
across 20 bouts · 7 promotions · wins by 6 KO · 1 sub · 2 decRings · Rings Holland · CFT 2 · MARS · PRIDE +2
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| L | Heath Herring28-16 | Submission | Rear-Naked Choke | R1 | 0:48 | PRIDE | Jun 4, 2000 |
| W | Yasuhito Namekawa25-16-4 | KO/TKO | Knee to the Body | R2 | 4:56 | Rings Holland | Feb 6, 2000 |
| D | Peter Varga0-2-1 | Draw | — | R0 | 0:00 | BOA 1 | Sep 5, 1999 |
| L | Chris Haseman20-17 | Submission | Kneebar | R1 | 3:13 | Rings | Aug 19, 1999 |
| L | KO/TKO | Cut | R1 | 5:56 | WVC 8 | Jul 1, 1999 | |
| L | Ryuki Ueyama12-18-5 | KO/TKO | Points | R3 | 3:05 | Rings | Jun 24, 1999 |
| L | Wataru Sakata11-14 | Submission | — | R1 | 1:45 | Rings | Jun 27, 1998 |
| W | Wataru Sakata11-14 | Decision | Unanimous | R2 | 5:00 | Rings Holland | Feb 8, 1998 |
| L | Sean Alvarez4-3 | N/A | — | R1 | 9:40 | Rings | Dec 23, 1997 |
| W | Sergei Sousserov0-1 | KO/TKO | Palm Strikes | R1 | 4:51 | Rings Holland | Feb 2, 1997 |
| L | Tom Erikson9-4-1 | Submission | Neck Crank | R1 | 0:31 | MARS | Nov 22, 1996 |
| W | Serge Narsisyan | KO/TKO | Corner Stoppage | R1 | 5:10 | MARS | Nov 22, 1996 |
| L | N/A | — | R0 | 0:00 | Rings | Oct 25, 1996 | |
| W | Wataru Sakata11-14 | Submission | Neck Lock | R1 | 18:31 | Rings | Aug 24, 1996 |
| W | Eduardo Rocha2-2 | KO/TKO | Submission to Punches | R1 | 1:51 | CFT 2 | Apr 21, 1996 |
| W | Hubert Numrich1-4 | KO/TKO | Punches and Headbutts | R1 | 2:06 | CFT 2 | Apr 21, 1996 |
| W | Allen Harris1-2 | KO/TKO | Punches | R1 | 1:37 | CFT 2 | Apr 21, 1996 |
| L | Tsuyoshi Kosaka28-21-2 | Submission | Rear-Naked Choke | R2 | 0:12 | Rings Holland | Feb 18, 1996 |
| L | Chris Haseman20-17 | N/A | — | R0 | 0:00 | Rings | Jan 24, 1996 |
| W | Masayuki Naruse6-14 | Decision | Unanimous | R1 | 10:00 | Rings Holland | Feb 19, 1995 |
Non-UFC bouts (regional/other promotions) — shown for context only, excluded from Schedule Score, striking/grappling rates, and every UFC-scoped metric.