Rubuta ci gaba ga wannan sakin layi - A cikin hunturu na 1942/43, Fretter-Pico ya jagoranci rukunin sojojin Fretter-Pico (German: "Armeeabteilung Fretter-Pico"), wanda aka kafa na ɗan lokaci daga ƙungiyarsa, sannan kuma XXX. Rundunar Sojoji. A farkon Yuli 1944 an sake tura shi zuwa ga Führerreserve don karɓar umarnin rundunar soja ta 6 a tsakiyar watan, wanda aka hallaka kadan daga baya yayin aikin Jassy-Kishinev na Soviet
kuma sai aka sake tsara shi. Saboda bin umarnin sojojin Hungary na 2 da na 3, an kira shi na ɗan lokaci a matsayin Army Group Fretter-Pico (German: "Armeegruppe Fretter-Pico"). Wannan tsari ya shiga cikin yakin Debrecen, daga 6 zuwa 29 Oktoba 1944. A ranar 23 ga Disamba 1944 ya ba da umarninsa kuma an z. b. V. na Babban Kwamandan Sojoji. Wannan ya sanya shi a ranar 25 ga Maris 1945 a matsayin mai ba da shawara a kotun soja a Torgau a kan "Janar der Panzertruppe" Walter Fries. Akasin umarnin Hitler, Fries ya ba da garin Warsaw, wanda aka ayyana shi a matsayin kagara (German: "Festung"), kuma sojojin Jamus sun janye. Shari'ar ta ƙare a ranar 30 ga Maris, 1945 tare da Fries'acquittal da kuma Fretter-Pico aka nada kwamandan soja gundumar IX, tushen a Kassel (German: ""), wannan shi ne ya karshe umurnin. A can ne sojojin Amurka suka kama shi a ranar 22 ga Afrilu 1945 kuma aka sake shi a tsakiyar 1947.