"They have had an up and down season a bit like us, just when you think they've had a few good results then they have a bad result which has sort of happened to us. It's going to be one of them games that whatever team performs best on the day will get the result," Oster told his club's official website.
"We've had a couple of tough games, one against Sheffield United which was obviously another local derby and another game against Newcastle on Tuesday night and the results hadn't gone our way in both of the games, but we're looking to put things right against Barnsley. We've played them earlier on in the season and we didn't get the result the lads deserved and we'll be looking to get another three points then.
"We'll go there full of confidence even though the results haven't gone our way but that's only one defeat in something like seven games so it's not like were on a bad run or anything. We've been playing really well lately so hopefully we can keep that going."