Kammala wannan jumla: Bayan kisan Wallenstein a watan Fabrairun 1634, ya shiga aikin Matthias Gallas. A ranar 4 ga Oktoba, 1636, ya sha wahala a cikin Yaƙin Wittstock a kan 'yan Sweden a ƙarƙashin Alexander Leslie. Shekaru biyu bayan haka ya yi nasara a yakin Vlotho kuma a 1641 a Siege of Dorsten. A ranar 6 ga Maris, 1645 an kama Hatzfeldt a matsayin fursuna a lokacin yakin Sweden.
Yaƙin Jankau, amma an sake shi jim kaɗan bayan haka. Ya yi ritaya a shekara ta 1646, amma an sake kiransa zuwa aiki a shekara ta 1657 a matsayin Generalfeldmarschall, don tallafawa Sarkin Poland a shugabancin sojoji 16,000 na Charles X Gustav na Sweden. Ya ɗauki Kraków a ranar 30 ga Agusta.