Karol Filar defeated Jan Sadzik and advanced from the ITF M25 Poznan 1/16-finals on August 25, 2026. The 27-year-old Polish player used the form that produced a 6-3 6-2 victory over Karlis Ozolins to dispose of ATP 1622 Sadzik on the clay in Poznan, leaving Sadzik to reflect on his recent 2-0 loss…