| UFC Fight Night | 2019/03/31 00:20 | Kowalkiewicz, Karolina v Michelle Waterson | 0-1 |
| UFC | 2018/09/09 03:00 | Jessica Andrade v Kowalkiewicz, Karolina | 1-0 |
| UFC | 2018/04/08 00:00 | Kowalkiewicz, Karolina v Herrig, Felice | 1-0 |
| UFC Fight Night | 2017/10/21 19:00 | Esquibel, Jodie v Kowalkiewicz, Karolina | 0-1 |
| UFC | 2017/06/04 02:00 | Gadelha, Claudia v Kowalkiewicz, Karolina | 1-0 |
| UFC | 2016/11/13 03:00 | Jedrzejczyk, Joanna v Kowalkiewicz, Karolina | 1-0 |
| UFC Fight Night | 2016/05/08 18:00 | Kowalkiewicz, Karolina v Clark, Heather Jo | 1-0 |
| UFC Fight Night | 2018/05/20 02:00 | Alexa Grasso v Tatiana Suarez | 0-1 |
| UFC Fight Night | 2017/08/06 02:00 | Markos, Randa v Alexa Grasso | 0-1 |
| UFC Fight Night | 2017/02/05 03:00 | Alexa Grasso v Herrig, Felice | 0-1 |
| UFC Fight Night | 2016/11/06 02:00 | Alexa Grasso v Clark, Heather Jo | 1-0 |