In 1409, Louis liberated Rome from Ladislaus' occupation; in 1410, as an ally of the antipope John XXIII he attacked Ladislaus and defeated him at Roccasecca (1411).
V roce 1409, Ludvík osvobodil Řím od Ladislavovy okupace, v roce 1410, jako spojenec vzdoropapeže Jana XXIII. napadl Ladislava a porazil ho u Roccaseccy (1411).