With an army from the pro-Yorkist Marches (the border area between England and Wales), he met Jasper Tudor's Lancastrian army arriving from Wales, and he defeated them soundly at the Battle of Mortimer's Cross in Herefordshire.
Med en hær fra det York-støttede Marches (grænselandet mellem England og Wales) mødte han en Lancaster-hær under Jasper Tudor, som kom fra Wales, og besejrede denne betragteligt i Slaget ved Mortimor's Cross i Herefordshire.