Damian Stasiak (15-10, 10) was born in Zgierz, Poland on February 20, 1990. At the age of 21 years on November 5, 2011, he made his professional MMA debut against Marcin Moskiewski, winning the fight via 2nd-round KO.
On April 11, 2015, 25-year old Damian Stasiak made his UFC debut on his 11th professional MMA fight at UFC Fight Night: Gonzaga vs. Cro Cop 2 against a 34-year old Yaotzin Meza but lost the fight via unanimous decision.
Stasiak's last fight was a 3-round unanimous decision win against Michał Domin at KSW 107 at age 35 on June 14, 2025. He is on a 1-fight winning streak.
He has fought six times in the UFC, and has a record of 2 wins and 4 losses in the promotion.
Some of Damian Stasiak's best fights have been against Filip Pejić, Davey Grant and Mike Grundy.
Stasiak has 10 losses on his MMA record.
| # | Date | Opponent | Promotion | Weight | Round | Method | Result |
|---|---|---|---|---|---|---|---|
25 | Jun 14, 2025 35 years, 3 months 15-10 (10) | Michał Domin | KSW | FT | 3 | UD | WIN |
24 | Jan 20, 2024 33 years, 11 months 14-10 (10) | Adam Soldaev | KSW | FT | 2 | KO | LOSS Punch |
23 | Jul 15, 2023 33 years, 4 months 14-9 (10) | Pascal Hintzen | KSW | FT | 1 | SUB | WIN Triangle choke |
22  | Oct 14, 2022 32 years, 7 months 13-9 (9) | 24 years, 4 months 7-0 (3) | KSW | FT | 3 | SD | LOSS |
21 | Dec 18, 2021 31 years, 9 months 13-8 (9) | Lom-Ali Eskiev | KSW | FT | 3 | UD | LOSS |
20 | Jun 5, 2021 31 years, 3 months 13-7 (9) | Andrey Lezhnev | KSW | FT | 1 | SUB | WIN Triangle choke |
19 | Oct 10, 2020 30 years, 7 months 12-7 (8) | Patryk Surdyn | KSW | BT | 2 | CKO | WIN Arm-triangle choke |
18 | Nov 9, 2019 29 years, 8 months 11-7 (8) | Antun Račić | KSW | BT | 5 | UD | LOSS For KSW bantamweight title |
17 | Apr 13, 2019 29 years, 1 months 11-6 (8) | Nikolay Kondratuk | FT | 1 | CKO | WIN Arm-triangle choke | |
16  | Jul 22, 2018 28 years, 5 months 10-6 (8) | 25 years, 5 months 13-4 (10) | UFC | BT | 3 | UD | LOSS |
15  | Oct 21, 2017 27 years, 8 months 10-5 (8) | 31 years, 2 months 17-8 (14) | UFC | BT | 3 | TKO | LOSS Punches |
14  | May 28, 2017 27 years, 3 months 10-4 (8) | 30 years, 8 months 13-2 (10) | UFC | BT | 3 | UD | LOSS |
13  | Oct 8, 2016 26 years, 7 months 10-3 (8) | 30 years, 9 months 8-2 (7) | UFC | BT | 3 | SUB | WIN Armbar |
12 | Apr 10, 2016 26 years, 1 months 9-3 (7) | Filip Pejić | UFC | BT | 1 | SUB | WIN Rear-naked choke |
11  | Apr 11, 2015 25 years, 1 months 8-3 (6) | 34 years, 2 months 20-9 (12) | UFC | FT | 3 | UD | LOSS |
10  | Mar 28, 2015 25 years, 1 months 8-2 (6) | 28 years 3-0 (3) | FT | 2 | SUB | WIN Triangle choke | |
9 | Jan 31, 2015 24 years, 11 months 7-2 (5) | Kamil Selwa | FT | 1 | SUB | WIN Rear-naked choke | |
8 | Jan 25, 2014 23 years, 11 months 6-2 (4) | Łukasz Grochowski | FT | 3 | UD | WIN | |
7 | Jan 25, 2014 23 years, 11 months 5-2 (4) | Konrad Sokulski | FT | 2 | SUB | WIN Rear-naked choke | |
6 | Jan 25, 2014 23 years, 11 months 4-2 (3) | Tomasz Boduszek | FT | 1 | SUB | WIN Rear-naked choke | |
5 | Apr 27, 2013 23 years, 2 months 3-2 (2) | Dmitry Silnyagin | LT | 3 | UD | LOSS | |
4  | Feb 27, 2013 23 years 3-1 (2) | 21 years, 2 months 5-0 (5) | M-1 | FT | 3 | UD | LOSS |
3 | Nov 5, 2011 21 years, 8 months 3-0 (2) | Krzysztof Klaczek | FT | 2 | UD | WIN | |
2 | Nov 5, 2011 21 years, 8 months 2-0 (2) | Pawel Chwalinski | FT | 1 | SUB | WIN Rear-naked choke | |
1 | Nov 5, 2011 21 years, 8 months 1-0 (1) | Marcin Moskiewski | FT | 2 | KO | WIN Punch |
