Here is a list of Kowalkiewicz's best fights. For a list of Kowalkiewicz's losses, refer to "Karolina Kowalkiewicz Losses".
On June 4, 2022 Karolina Kowalkiewicz faced off against Felice Herrig in a strawweight bout at age 36. She was coming in with a record of 13-7 (4), and Herrig was 37 years old and with a record of 14-9 (5). Kowalkiewicz stopped Felice Herrig via submission.
On July 30, 2016 Karolina Kowalkiewicz faced off against Rose Namajunas in a strawweight bout at age 30. She was coming in with a record of 10-0 (3), and Namajunas was 24 years old and with a record of 5-2 (4). Kowalkiewicz won the fight via 3-round split decision.
On May 20, 2023 Karolina Kowalkiewicz faced off against Vanessa Demopoulos in a strawweight bout at age 37. She was coming in with a record of 15-7 (4). Kowalkiewicz won the fight via 3-round unanimous decision.
On December 19, 2015 Karolina Kowalkiewicz faced off against Randa Markos in a strawweight bout at age 30. She was coming in with a record of 8-0 (3). Kowalkiewicz won the fight via 3-round unanimous decision.
On April 7, 2018 Karolina Kowalkiewicz faced off against Felice Herrig in a strawweight bout at age 32. She was coming in with a record of 12-2 (3), and Herrig was 33 years old and with a record of 14-6 (5). Kowalkiewicz won the fight via 3-round split decision.
On May 8, 2016 Karolina Kowalkiewicz faced off against Heather Jo Clark in a strawweight bout at age 30. She was coming in with a record of 9-0 (3). Kowalkiewicz won the fight via 3-round unanimous decision.
On October 21, 2017 Karolina Kowalkiewicz faced off against Jodie Esquibel in a strawweight bout at age 32. She was coming in with a record of 11-2 (3). Kowalkiewicz won the fight via 3-round unanimous decision.
On October 7, 2023 Karolina Kowalkiewicz faced off against Diana Belbiţă in a strawweight bout at age 37. She was coming in with a record of 16-7 (4), and Belbiţă was 27 years old and with a record of 15-7 (10). Kowalkiewicz won the fight via 3-round unanimous decision.
On November 12, 2022 Karolina Kowalkiewicz faced off against Silvana Gómez Juárez in a strawweight bout at age 37. She was coming in with a record of 14-7 (4), and Juárez was 37 years old and with a record of 11-4 (9). Kowalkiewicz won the fight via 3-round unanimous decision.
On February 21, 2015 Karolina Kowalkiewicz faced off against Kalindra Faria in a strawweight bout at age 29. She was coming in with a record of 7-0 (3), and Faria was 28 years old and with a record of 15-4-1 (10). Kowalkiewicz won the fight via 3-round split decision.
