Bum Seok Jang
UFC DebutNickname“Dolsooe”
Record
Streak
L3
Age
Date of birth
- Born
- South Korea
- Camp
- Team Han Club
- Weight class
- Light Heavyweight
- Height
- 5'8" · 173 cm
Before the UFC
Bum Seok Jang 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.
Pre-UFC opposition
DevelopmentalOpponents' combined record
48-63
.432 win rate
Winning-record opponents
2 of 9
carried winning pro records
Pro bouts faced
13
9 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 13 bouts · 11 promotions · wins by 3 KO · 1 decZFN · AFC · Shooto · Ring FC 3 · AFC 25 +6
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| L | Chang Jun Choi | Decision | Split | R2 | 5:00 | ZFN | May 9, 2026 |
| L | Se Hun Choi | KO/TKO | Punches | R1 | 4:41 | ZFN | Nov 15, 2025 |
| L | Taiga Iwasaki11-2 | Submission | Rear-Naked Choke | R2 | 2:43 | Shooto | Sep 21, 2025 |
| W | Dong Hyeok Bae | KO/TKO | Punches | R1 | 1:17 | Ring FC 3 | Sep 8, 2023 |
| W | Nosherwan Khanzada11-14 | KO/TKO | Punches | R1 | 2:36 | AFC 25 | Jun 10, 2023 |
| L | Woo Ram Shim | KO/TKO | Knee and Punches | R1 | 1:11 | GFC 09 | Dec 3, 2022 |
| L | Hwan Hee Lee2-0 | Submission | Keylock | R2 | 3:25 | Double G FC 11 | Dec 30, 2021 |
| L | Jae Woong Yoon5-7 | KO/TKO | Punches | R1 | 0:16 | Double G FC 9 | Sep 3, 2021 |
| W | Dong Joo Lim3-8 | Decision | Unanimous | R2 | 5:00 | Double G FC 8 | Jun 21, 2021 |
| L | Seung Dae Baek3-7 | KO/TKO | Punches | R2 | 0:48 | AFC | Feb 23, 2019 |
| W | Yoon Seob Kwak7-16 | KO/TKO | Punches | R1 | 2:20 | AFC | Feb 23, 2019 |
| L | KO/TKO | Punches | R1 | 2:54 | Top FC 10 | Mar 19, 2016 | |
| L | Sung Jik Jung1-2 | Decision | Unanimous | R3 | 5:00 | Top FC 8 | Aug 15, 2015 |
Non-UFC bouts (regional/other promotions) — shown for context only, excluded from Schedule Score, striking/grappling rates, and every UFC-scoped metric.