| Sieg | 27-6 (1) | Arkadiusz Wrzosek  | Submission (Keylock) |  | KSW 107: De Fries vs Wrzosek | Jun 14, 2025 | 1 | 3:33 | Gdańsk, Poland |
| Sieg | 26-6 (1) | Darko Stošić  | TKO (Punches) |  | KSW 100: Khalidov vs Bartosinski | Nov 16, 2024 | 1 | 4:11 | Gliwice, Poland |
| Sieg | 25-6 (1) | Augusto Sakai  | Decision (Unanimous) |  | KSW 95: Wikłacz vs. Przybysz 5 | Jun 07, 2024 | 5 | 5:00 | Olsztyn, Poland |
| Sieg | 24-6 (1) | Szymon Bajor | Technical Submission (Rear-Naked Choke) |  | KSW 84: De Fries vs Bajor | Jul 15, 2023 | 2 | 4:57 | Gdynia, Poland |
| Sieg | 23-6 (1) | Todd Duffee  | TKO (Punches) |  | KSW 79: De Fries vs Duffee | Feb 25, 2023 | 1 | 3:46 | Liberec, Czech Republic  |
| Sieg | 22-6 (1) | Ricardo Prasel | Submission (Rear-Naked Choke) |  | KSW 74: De Fries vs Prasel | Sep 10, 2022 | 1 | 4:10 | Ostrów Wielkopolski, Poland |
| Sieg | 21-6 (1) | Darko Stošić | TKO (Submission to Punches) |  | KSW 67: De Fries vs Stošić | Feb 26, 2022 | 5 | 3:44 | Warsaw, Poland |
| Sieg | 20-6 (1) | Tomasz Narkun | TKO (Punches) |  | KSW 60: De Fries vs Narkun 2 | Apr 24, 2021 | 2 | 3:37 | Lodz, Poland |
| Sieg | 19-6 (1) | Michał Kita | TKO (Punches) |  | KSW 57: De Fries vs Kita | Dec 19, 2020 | 2 | 0:59 | Lodz, Poland |
| Sieg | 18-6 (1) | Luis Henrique | Decision (Split) |  | KSW 50: London | Sep 14, 2019 | 5 | 5:00 | London, England  |
| Sieg | 17-6 (1) | Tomasz Narkun | Decision (Unanimous) |  | KSW 47: De Fries vs Narkun | Mar 23, 2019 | 5 | 5:00 | Łódź, Poland |
| Sieg | 16-6 (1) | Karol Bedorf | Submission (Keylock) |  | KSW 45: The Return to Wembley | Oct 06, 2018 | 2 | 4:26 | London, England |
| Sieg | 15-6 (1) | Michal Andryszak | TKO (Punches) |  | KSW 43 | Apr 14, 2018 | 1 | 3:32 | Wroclaw, Poland |
| Sieg | 14-6 (1) | James Thompson  | Submission (Guillotine Choke) |  | Bellator 191: McDonald vs Ligier | Dec 15, 2017 | 1 | 1:53 | Newcastle, England, United Kingdom |
| Sieg | 13-6 (1) | Anton Vyazigin  | Decision (Majority) |  | M-1 Challenge 84: Kunchenko vs Romanov | Oct 27, 2017 | 3 | 5:00 | St. Petersburg, Russia |
| Niederlage | 12-6 (1) | Ivan Shtyrkov | TKO (Punches and Elbows) |  | RCC Boxing Promotions: Day of Victory 72 | May 05, 2017 | 1 | 1:51 | Ekaterinburg, Russia |
| Sieg | 12-5 (1) | Thomas Denham | TKO (Punches) |  | M4tC 22 - Warriors | Nov 26, 2016 | 1 | 1:37 | Tyne and Wear, England |
| Niederlage | 11-5 (1) | Thomas Denham | TKO (Punches) |  | M4tC 16 - Invasion | Feb 28, 2015 | 1 | 1:01 | Tyne and Wear, England |
| Sieg | 11-4 (1) | Lukasz Parobiec | Submission (Rear-Naked Choke) |  | M4tC 15 - Bad Blood | Nov 29, 2014 | 1 | 2:03 | Tyne and Wear, England |
| Niederlage | 10-4 (1) | Satoshi Ishii  | Decision (unanimous) |  | IGF - Inoki Genome Fight 1 | Apr 05, 2014 | 2 | 5:00 | Ryogoku Kokugikan, Japan |
| Sieg | 10-3 (1) | Brett Rogers | Submission (Rear-Naked Choke) | | IGF - Inoki Bom-Ba-Ye 2013 | Dec 31, 2013 | 1 | 3:45 | Sumida, Tokyo, Japan |
| Niederlage | 9-3 (1) | Matt Mitrione | KO (punches) |  | UFC on Fuel TV 9: Mousasi vs Latifi | Apr 06, 2013 | 1 | 0:19 | Stockholm, Sweden  |
| Niederlage | 9-2 (1) | Todd Duffee | TKO (punches) | | UFC 155 | Dec 29, 2012 | 1 | 2:04 | Nevada, United States |
| Sieg | 9-1 (1) | Oli Thompson | Submission (rear-naked choke) |  | UFC on Fox 4: Shogun vs Vera | Aug 04, 2012 | 2 | 4:16 | Los Angeles, United States |
| Niederlage | 8-1 (1) | Stipe Miocic | KO (punches) |  | UFC on Fuel TV | Feb 15, 2012 | 1 | 0:43 | Omaha, United States |
| Sieg | 8-0 (1) | Rob Broughton | Decision (unanimous) |  | UFC 138 | Nov 05, 2011 | 3 | 5:00 | Birmingham, United Kingdom |
| Sieg | 7-0 (1) | Stav Economou  | Submission (rear-naked choke) | | Ultimate Warrior Challenge | Jul 02, 2011 | 2 | 3:56 | Southend-on-Sea, England |
| Sieg | 6-0 (1) | Colin Robinson | Submission (armbar) | | Supremacy Fight Challenge | May 29, 2011 | 1 | 1:33 | Gateshead, England |
| Sieg | 5-0 (1) | Andy Spiers | Submission (rear-naked choke) | | Supremacy Fight Challenge | Feb 27, 2011 | 1 | 3:14 | Gateshead, England |
| NC | 4-0 (1) | Dave Wilson | No Contest | | Tyneside Fighting Challenge | Jun 20, 2010 | 1 | N/A | Newcastle, England |
| Sieg | 4-0 | Darren Towler | Submission (brabo choke) | | Strike and Submit | May 30, 2010 | 1 | 3:37 | Gateshead, England |
| Sieg | 3-0 | Grant Hocking | Submission (rear-naked choke) | | Strike and Submit | Feb 28, 2010 | 1 | 1:35 | Gateshead, England |
| Sieg | 2-0 | Jamie Sheldon | Submission (rear-naked choke) | | Strike and Submit | Oct 04, 2009 | 1 | 2:10 | Gateshead, England |
| Sieg | 1-0 | Darren Towler | Submission (rear-naked choke) | | Strike and Submit | Apr 26, 2009 | 1 | 4:48 | Gateshead, England |
