Karolina Kowalkiewicz losses
Over 13 years as a professional, Karolina Kowalkiewicz has compiled a 16-10 (4) record, including three title fights across two weight classes. She has ten losses, one of them in a title fight.
10. Karolina Kowalkiewicz loses to Julia Polastri via KO
On October 11, 2025 Karolina Kowalkiewicz faced Julia Polastri in a strawweight bout. Kowalkiewicz was 39 years old with a record of 16-9, and Polastri was 0 with a record of 0-0. Kowalkiewicz was on a 2-fight losing streak. Polastri stopped Kowalkiewicz via TKO in the 3rd round.
9. Karolina Kowalkiewicz loses to Denise Gomes via unanimous decision
On November 9, 2024 Karolina Kowalkiewicz faced Denise Gomes in a strawweight bout. Kowalkiewicz was 39 years old with a record of 16-8, and Gomes was 24 with a record of 9-3. Kowalkiewicz was coming off a loss, while Gomes was coming off a win. Kowalkiewicz lost via unanimous decision. Went the distance with Gomes.
8. Karolina Kowalkiewicz loses to Iasmin Lucindo via unanimous decision
On May 4, 2024 Karolina Kowalkiewicz faced Iasmin Lucindo in a strawweight bout. Kowalkiewicz was 38 years old with a record of 16-7, and Lucindo was 0 with a record of 0-0. Kowalkiewicz was on a 4-fight winning streak. Kowalkiewicz lost via unanimous decision. Went the distance with Lucindo.
7. Karolina Kowalkiewicz loses to Jessica Penne via KO
On August 7, 2021 Karolina Kowalkiewicz faced Jessica Penne in a strawweight bout. Kowalkiewicz was 35 years old with a record of 12-6, and Penne was 38 with a record of 13-5. Kowalkiewicz was on a 4-fight losing streak, while Penne was coming off a win. Penne submitted Kowalkiewicz via armbar in the 1st round.
6. Karolina Kowalkiewicz loses to Yan Xiaonan via unanimous decision
On February 23, 2020 Karolina Kowalkiewicz faced Yan Xiaonan in a strawweight bout. Kowalkiewicz was 34 years old with a record of 12-5, and Xiaonan was 30 with a record of 14-1. Kowalkiewicz was on a 3-fight losing streak, while Xiaonan was on a 4-fight winning streak. Kowalkiewicz lost via unanimous decision. Went the distance with Xiaonan.
5. Karolina Kowalkiewicz loses to Alexa Grasso via unanimous decision
On June 8, 2019 Karolina Kowalkiewicz faced Alexa Grasso in a strawweight bout. Kowalkiewicz was 33 years old with a record of 12-4, and Grasso was 25 with a record of 10-2. Kowalkiewicz was on a 2-fight losing streak and Grasso was coming off a loss. Kowalkiewicz lost via unanimous decision. Went the distance with Grasso.
4. Karolina Kowalkiewicz loses to Michelle Waterson via unanimous decision
On March 30, 2019 Karolina Kowalkiewicz faced Michelle Waterson in a strawweight bout. Kowalkiewicz was 33 years old with a record of 12-3, and Waterson was 33 with a record of 16-6. Kowalkiewicz was coming off a loss, while Waterson was on a 2-fight winning streak. Kowalkiewicz lost via unanimous decision. Went the distance with Waterson.
3. Karolina Kowalkiewicz loses to Jéssica Andrade via KO
On September 8, 2018 Karolina Kowalkiewicz faced Jéssica Andrade in a strawweight bout. Kowalkiewicz was 32 years old with a record of 12-2, and Andrade was 26 with a record of 18-6. Both Kowalkiewicz and Andrade were on a 2-fight winning streak. Andrade stopped Kowalkiewicz via KO in the 1st round.
2. Karolina Kowalkiewicz loses to Cláudia Gadelha via KO
On June 3, 2017 Karolina Kowalkiewicz faced Cláudia Gadelha in a strawweight bout. Kowalkiewicz was 31 years old with a record of 10-1, and Gadelha was 28 with a record of 14-2. Kowalkiewicz was coming off a loss, while Gadelha was coming off a win. Gadelha submitted Kowalkiewicz via rear-naked choke in the 1st round.
1. Karolina Kowalkiewicz loses to Joanna Jędrzejczyk via unanimous decision
On November 12, 2016 Karolina Kowalkiewicz fought Joanna Jędrzejczyk for the UFC Women's strawweight title. Kowalkiewicz was 31 years old with a record of 10-0, and Jędrzejczyk was 29 with a record of 12-0. Kowalkiewicz was on an undefeated 10-fight winning streak and Jędrzejczyk was on an undefeated 12-fight winning streak. Kowalkiewicz lost via unanimous decision. Failed to capture the title. Went the distance with Jędrzejczyk.