Mezue ahịrịokwu na-esonụ: Ná mmalite nke Agha nke Ise nke Coalition, d'Aspré duru otu brigade na Michael von Kienmayer obere II Reserve Armeekorps nke mejupụtara "Puteani", "Brezeczinsky", "Scovaud", "Kirchenbetter", na "Scharlach" grenadier battalions, gbakwunyere batrị nke asatọ 6-pounder egbe. N'ime
Agha nke Abensberg na 20 Eprel 1809, Archduke Louis nke Austria gbalịrị n'enweghị ihe ịga nke ọma iji chebe akara nke Osimiri Abens. N'ụtụtụ, Louis kpọrọ ndị agha Kienmayer site na Ludmannsdorf iji kwado ndị agha aka ekpe nke Joseph Radetzky von Radetz na nso Siegenburg. N'ehihie, ndị agha d'Aspré kwadoro Radetzky ka ọ na-alaghachi Pfeffenhausen. N'elekere 11:00 nke abalị ahụ, ndị na-achụso ndị Bavaria ji ike gafee iyi Große Laber wee wakpo ha. Radetzky gbaziri otu n'ime ndị agha grenadier d'Aspré ma jide ugwu Hornbach n'ebe ndịda Pfeffenhausen ruo n'isi ụtụtụ.