During the Polish-Swedish war in Livonia (1600-1611) he participated in the Siege of Fellin (May 1602, Viljandi, Estonia), fought in the army of field crown hetman Stanisław Żółkiewski at the Battle of Reval (June 1602, Tallinn, Estonia), and with Jan Karol Chodkiewicz at Battle of Weissenstein (September 1604, Paide, Estonia).