Fighter dossier
WK
Official MMA record
William Karlsson
Amateur record
1-2-0
- Division
- Featherweight
- Weight
- 155 lb
- Gender
- Male
Profile summary
William Karlsson is an MMA fighter with an amateur record of 1-2-0.
Career file
Amateur career statistics
1-2-0
Total fights
3
Rounds fought
9
Current streak
1 L
Finish rate
0%
Win methods
Loss methods
Career length
11m 29d
Fights per year
3.3
Longest layoff
8m 10d
Quickest turnaround
3m 19d
Quick hits
Fastest win
09:00
Fastest KO
00:00
Fastest submission
00:00
Finished rate
0%
Avg. fight length · wins
09:00
Avg. fight length · losses
09:00
Avg. rounds · wins
3
Avg. rounds · losses
3
Official record
Amateur fight record
| Date | Result | Opponent | Division | Method / event | Round / time |
|---|---|---|---|---|---|
| Sep 13, 2025 | L | Elias Ksia | Featherweight | Decision · Split Decision Fight Club Rush 25 | R3/03:00 |
| May 24, 2025 | W | Yousef Jebril | Featherweight | Decision · Unanimous Decision Battle of Botnia: 14 X Fight Club Rush 24 | R3/03:00 |
| Sep 14, 2024 | L | Martin Karlsson | Lightweight | Decision · Split Decision Superior Academy 1 | R3/03:00 |