A fairly uneventful opening period brought few chances for either team, although Betis did look the side more likely to open the scoring.
The second period followed a similar pattern and despite the home side's dominance, they could not find the back of the net as the points were shared in a 0-0 draw.
Read how it all unfolded in Sports Mole's minute-by-minute live commentary of the action below.
BETIS: Adrian; Nacho, Chica, Paulao, Amaya; Benat, Perez, Molina, Pabon; Campbell, Nono
VALLADOLID: Hernandez; Sereno, Rukavina, Balenziaga, Rueda; Rubio, Gonzalez, Sastre, Larsson; Guerra, Bueno