| UFC Fight Night: Magny vs. Prates | Denise Gomes | 1028 →1048(+20) | Karolina Kowalkiewicz | 1023 →1004(-19) | Women's Strawweight | Loss | U-DEC |
| UFC 301: Pantoja vs. Erceg | Iasmin Lucindo | 1023 →1044(+21) | Karolina Kowalkiewicz | 1045 →1023(-22) | Women's Strawweight | Loss | U-DEC |
| UFC Fight Night: Dawson vs. Green | Karolina Kowalkiewicz | 1028 →1045(+17) | Diana Belbita | 978 →961(-17) | Women's Strawweight | Win | U-DEC |
| UFC Fight Night: Dern vs. Hill | Karolina Kowalkiewicz | 1005 →1028(+23) | Vanessa Demopoulos | 1042 →1020(-22) | Women's Strawweight | Win | U-DEC |
| UFC 281: Adesanya vs. Pereira | Karolina Kowalkiewicz | 986 →1005(+19) | Silvana Gomez Juarez | 977 →957(-20) | Women's Strawweight | Win | U-DEC |
| UFC Fight Night: Volkov vs. Rozenstruik | Karolina Kowalkiewicz | 960 →986(+26) | Felice Herrig | 1011 →984(-27) | Women's Strawweight | Win | SUB |
| UFC 265: Lewis vs. Gane | Jessica Penne | 981 →1004(+23) | Karolina Kowalkiewicz | 983 →960(-23) | Women's Strawweight | Loss | SUB |
| UFC Fight Night: Felder vs. Hooker | Yan Xiaonan | 1068 →1084(+16) | Karolina Kowalkiewicz | 999 →983(-16) | Women's Strawweight | Loss | U-DEC |
| UFC 238: Cejudo vs. Moraes | Alexa Grasso | 998 →1020(+22) | Karolina Kowalkiewicz | 1020 →999(-21) | Women's Strawweight | Loss | U-DEC |
| UFC Fight Night: Barboza vs. Gaethje | Michelle Waterson-Gomez | 1046 →1066(+20) | Karolina Kowalkiewicz | 1040 →1020(-20) | Women's Strawweight | Loss | U-DEC |
| UFC 228: Woodley vs. Till | Jessica Andrade | 1095 →1116(+21) | Karolina Kowalkiewicz | 1060 →1040(-20) | Women's Strawweight | Loss | KO |
| UFC 223: Khabib vs. Iaquinta | Karolina Kowalkiewicz | 1038 →1060(+22) | Felice Herrig | 1080 →1058(-22) | Women's Strawweight | Win | S-DEC |
| UFC Fight Night: Cerrone vs. Till | Karolina Kowalkiewicz | 1019 →1038(+19) | Jodie Esquibel | 1000 →981(-19) | Women's Strawweight | Win | U-DEC |
| UFC 212: Aldo vs. Holloway | Claudia Gadelha | 1024 →1049(+25) | Karolina Kowalkiewicz | 1043 →1019(-24) | Women's Strawweight | Loss | SUB |
UFC 205: Alvarez vs McGregor | Joanna Jedrzejczyk | 1116 →1132(+16) | Karolina Kowalkiewicz | 1060 →1043(-17) | Women's Strawweight | Loss | U-DEC |
| UFC 201: Lawler vs. Woodley | Karolina Kowalkiewicz | 1040 →1060(+20) | Rose Namajunas | 1050 →1029(-21) | Women's Strawweight | Win | S-DEC |
| UFC Fight Night: Overeem vs Arlovski | Karolina Kowalkiewicz | 1020 →1040(+20) | Heather Clark | 1020 →1000(-20) | Women's Strawweight | Win | U-DEC |
| UFC on FOX: Dos Anjos vs. Cowboy 2 | Karolina Kowalkiewicz | 1000 →1020(+20) | Randa Markos | 1002 →982(-20) | Women's Strawweight | Win | U-DEC |
