A drab first period brought few chances for either side, although Sevilla did look the team most likely to open the scoring.
The chances remained at a premium in the second period, with neither side gaining an advantage ahead of the second leg.
Read how it all unfolded in Sports Mole's minute-by-minute live coverage of the action below.
ZARAGOZA: Franco; Paredes, Sapunaru, Abraham, Alvaro; Movilla, Wilchez, Apono, Javi; Postiga, Victor
SEVILLA: Palop; Maduro, Navarro, Spahic, Fazio; Coke, Rakitic, Medel, Navas; Reyes, Negredo