On Wednesday, Oberena host high-flying CD Haro in the Copa Federacion.
The team from La Rioja are currently lying 4th in Grupo 16 of the Tercera Division, with 33 points from 16 games.
Haro actually won the Championship last season, but were unable to continue their good form and win their playoff group to ascend to Segunda B.
The first leg in Haro finished level at 2-2, and the manguiverdes must surely fancy their chances of progressing to the next round, and the final sixteen teams. To do this, they must cut out the threat posed by Haro goalscorer Israel Losa who currently has five goals this season.