The home side entered the match as the firm favourites to advance following a 4-0 win in the first leg on December 3.
Read how it all unfolded in Sports Mole's minute-by-minute live commentary of the action below.
HUESCA: Jimenez; Antonio, Gaspar, David, Scardina; Manolo, Sosa, Lucas, Bernal; Cabezas, Esnaider
6 - Pedro has scored more Copa del Rey goals than any other @FCBarcelona player in the last two seasons. Worker.— OptaJose (@OptaJose) December 16, 2014