Fighter dossier
JW
Official MMA record
Jae Woong Byun
Professional record
4-4-0
- Division
- Flyweight
- Age
- 29
- Height
- 5' 8"
- Weight
- 135 lb
- Gender
- Male
Profile summary
Jae Woong Byun is an MMA fighter with a professional record of 4-4-0.
Career file
Professional career statistics
4-4-0
Total fights
8
Rounds fought
17.7
Current streak
1 W
Finish rate
50%
Win methods
Loss methods
Career length
9y 3m 9d
Fights per year
0.9
Longest layoff
4y 2m 13d
Quickest turnaround
21d
Quick hits
Fastest win
04:33
Fastest KO
00:00
Fastest submission
04:33
Finished rate
25%
Avg. fight length · wins
08:38
Avg. fight length · losses
13:28
Avg. rounds · wins
1.7
Avg. rounds · losses
2.7
Official record
Professional fight record
| Date | Result | Opponent | Division | Method / event | Round / time |
|---|---|---|---|---|---|
| Nov 15, 2025 | W | Jeremy Santiago | Flyweight | Decision · Unanimous Decision Z-Fight Night: Origin 3 | R3/05:00 |
| May 7, 2023 | L | Yutaro Muramoto | Flyweight | Decision · Unanimous Decision Deep - 113th Impact | R3/05:00 |
| Dec 11, 2022 | L | Hiroki Ito | Flyweight | TKO/RSC Deep - 111th Impact | R2/03:52 |
| Aug 21, 2022 | W | Kazuki Shibuya | Bantamweight | Submission · Guillotine Choke Deep - 109th Impact | R1/04:33 |
| May 8, 2022 | L | Ryuya Fukuda | Catchweight | Decision · Unanimous Decision Deep - 107th Impact | R3/05:00 |
| Feb 24, 2018 | L | Yuki Motoya | — | Decision · Unanimous Decision Deep - 82nd Impact | R3/05:00 |
| Aug 27, 2016 | W | Masakazu Imanari | — | Decision · Majority Decision Deep -77th Impact / Jewels 13 | R3/05:00 |
| Aug 6, 2016 | W | Guk Hwan Moon | — | TKO/RSC · Referee Stoppage from Strikes All Fighting Championship 2/3 (South Korea) | R1/07:21 |