Torstensson was intent on recovering those portions of Bohemia and Moravia he had lost to the Imperials during the Danish distraction. Pushing contemptuously past the Imperial forces, the Swedes advanced from Eger, through Budweis and Pilsen toward Tabor in Moravia.
The Emperor had raised such troops as he could and called to Maximillian I for assistance. The combined armies under Götz pursued Torstensson, catching up to him at Jankau near Tabor. On 6 March, 1645, battle was joined.
The forces were nearly evenly matched and the battle was hard fought. In the end, the Imperials were handed a crushing defeat, losing half their forces, their general Götz dead on the field