The Kozerki Open is a tournament for professional female tennis players. It is classified as a WTA 125 event since 2023, and was held in Warsaw, Poland in 2024, as the Polish Open. Prior to 2023, the tournament was a part of ITF Women's World Tennis Tour. It has been held annually in Grodzisk Mazowiecki, Poland, on outdoor hardcourts since 2019 (until 2024 for the women).

Since 2022, a male version of the tournament is held as part of the ATP Challenger Tour.

Year	Champion	Runner-up	Score
2024	Marc-Andrea Hüsler	Vít Kopřiva	6–1, 6–4
2023	Jesper de Jong	Benjamin Hassan	6–3, 6–3
2022	Tomáš Macháč	Zhang Zhizhen	1–6, 6–3, 6–2

Year	Champion	Runner-up	Score
2024	Alycia Parks	Maya Joint	4–6, 6–3, 6–3
2023	Dayana Yastremska	Greet Minnen	2–6, 6–1, 6–3
⬆️   WTA 125 event   ⬆️
2022	Kateřina Siniaková	Magda Linette	6–4, 6–1
2021	Ekaterine Gorgodze	Chloé Paquet	7–6(9–7), 0–6, 6–4
2020	Tournament cancelled due to the COVID-19 pandemic
2019	Maja Chwalińska	Dejana Radanović	7–6(7–5), 6–4

Year	Champions	Runners-up	Score
2024	Charles Broom David Stevenson	Daniel Cukierman Johannes Ingildsen	6–3, 7–6(7–3)
2023	Théo Arribagé Luca Sanchez	Anirudh Chandrasekar Vijay Sundar Prashanth	6–4, 6–4
2022	Robin Haase Philipp Oswald	Hugo Nys Fabien Reboul	6–3, 6–4

Year	Champions	Runners-up	Score
2024	Weronika Falkowska Martyna Kubka	Céline Naef Nina Stojanović	6–4, 7–6(7–5)
2023	Katarzyna Kawa Elixane Lechemia	Naiktha Bains Maia Lumsden	6–3, 6–4
⬆️   WTA 125 event   ⬆️
2022	Alicia Barnett Olivia Nicholls	Vivian Heisen Katarzyna Kawa	6–1, 7–6(7–3)
2021	Bárbara Gatica Rebeca Pereira	Jang Su-jeong Lee Ya-hsuan	6–3, 6–1
2020	Tournament cancelled due to the COVID-19 pandemic
2019	Ania Hertel Anastasiya Shoshyna	Ulrikke Eikeri Isabella Shinikova	6–7(6–8), 6–2, [10–4]

• ITF search Archived 2018-10-23 at the Wayback Machine
• Official website