| 2026-08-01 | UFC Fight Night: Medić vs. Rodriguez | Light Heavyweight | Navajo Stirling def. Jan Błachowicz | TKO (elbows and punches) | 1 | 2:56 |
| 2025-12-06 | UFC 323: Dvalishvili vs. Yan 2 | Light Heavyweight | Jan Błachowicz vs. Bogdan Guskov | Draw (majority) (29–28, 28–28, 28–28) | 3 | 5:00 |
| 2025-03-22 | UFC Fight Night: Edwards vs. Brady | Light Heavyweight | Carlos Ulberg def. Jan Błachowicz | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2023-07-29 | UFC 291: Poirier vs. Gaethje 2 | Light Heavyweight | Alex Pereira def. Jan Błachowicz | Decision (split) (29–28, 28–29, 29–28) | 3 | 5:00 |
| 2022-12-10 | UFC 282: Błachowicz vs. Ankalaev | Light Heavyweight | Jan Błachowicz vs. Magomed Ankalaev title | Draw (split) (48–47, 46–48, 47–47) | 5 | 5:00 |
| 2022-05-14 | UFC on ESPN: Błachowicz vs. Rakić | Light Heavyweight | Jan Błachowicz def. Aleksandar Rakić | TKO (knee injury) | 3 | 1:11 |
| 2021-10-30 | UFC 267: Błachowicz vs. Teixeira | Light Heavyweight | Glover Teixeira def. Jan Błachowicz title | Submission (rear-naked choke) | 2 | 3:02 |
| 2021-03-06 | UFC 259: Błachowicz vs. Adesanya | Light Heavyweight | Jan Błachowicz def. Israel Adesanya title | Decision (unanimous) (49–46, 49–45, 49–45) | 5 | 5:00 |
| 2020-09-27 | UFC 253: Adesanya vs. Costa | Light Heavyweight | Jan Błachowicz def. Dominick Reyes title | TKO (punches) | 2 | 4:36 |
| 2020-02-15 | UFC Fight Night: Anderson vs. Błachowicz 2 | Light Heavyweight | Jan Błachowicz def. Corey Anderson | KO (punch) | 1 | 3:08 |
| 2019-11-16 | UFC Fight Night: Błachowicz vs. Jacaré | Light Heavyweight | Jan Błachowicz def. Ronaldo Souza | Decision (split) (48–47, 47–48, 48–47) | 5 | 5:00 |
| 2019-07-06 | UFC 239: Jones vs. Santos | Light Heavyweight | Jan Błachowicz def. Luke Rockhold | KO (punches) | 2 | 1:39 |
| 2019-02-23 | UFC Fight Night: Błachowicz vs. Santos | Light Heavyweight | Thiago Santos def. Jan Błachowicz | TKO (punches) | 3 | 0:39 |
| 2018-09-15 | UFC Fight Night: Hunt vs. Oleinik | Light Heavyweight | Jan Błachowicz def. Nikita Krylov | Submission (arm-triangle choke) | 2 | 2:41 |
| 2018-03-17 | UFC Fight Night: Werdum vs. Volkov | Light Heavyweight | Jan Błachowicz def. Jimi Manuwa | Decision (unanimous) (29–28, 29–28, 30–27) | 3 | 5:00 |
| 2017-12-16 | UFC on Fox: Lawler vs. dos Anjos | Light Heavyweight | Jan Błachowicz def. Jared Cannonier | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2017-10-21 | UFC Fight Night: Cowboy vs. Till | Light Heavyweight | Jan Błachowicz def. Devin Clark | Submission (rear-naked choke) | 2 | 3:02 |
| 2017-04-08 | UFC 210: Cormier vs. Johnson 2 | Light Heavyweight | Patrick Cummins def. Jan Błachowicz | Decision (majority) (29–28, 29–28, 28–28) | 3 | 5:00 |
| 2016-09-03 | UFC Fight Night: Arlovski vs. Barnett | Light Heavyweight | Alexander Gustafsson def. Jan Błachowicz | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2016-04-10 | UFC Fight Night: Rothwell vs. dos Santos | Light Heavyweight | Jan Błachowicz def. Igor Pokrajac | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2015-09-05 | UFC 191: Johnson vs. Dodson 2 | Light Heavyweight | Corey Anderson def. Jan Błachowicz | Decision (unanimous) (30–25, 30–25, 29–26) | 3 | 5:00 |
| 2015-04-11 | UFC Fight Night: Gonzaga vs. Cro Cop 2 | Light Heavyweight | Jimi Manuwa def. Jan Błachowicz | Decision (unanimous) (30–27, 30–27, 29–28) | 3 | 5:00 |
| 2014-10-04 | UFC Fight Night: Nelson vs. Story | Light Heavyweight | Jan Błachowicz def. Ilir Latifi | TKO (body kick and punches) | 1 | 1:58 |