In my opinion Barcelona have really good chances to make win in today's match up and get qualification into big final.

Match on neutral ground in Saudi Arabia so no home advantage for any side, but Barcelona have huge mental advantage as they won in 15 of last 18 matches against Betis in all competitions.

Barcelona coming for this game with the strongest possible line up because left defender Alba is available, same as best scorer Lewandowski. It's big boost of confidence, no doubt about that. On the other hand Betis best assistant Alex Moreno (he is also second-best player according to the ratings) is unavailable. That should have very bad impact on their performance today.

4 days ago Betis won 2:1 in La Liga on away against Rayo. On the paper it's looks like good result, but Betis performance wasn't convincing at all and they not deserved 3 points: expected goals scored for Rayo 1.61, for Betis 0.93.

Barcelona won huge game on away against Atletico and kept first place in league table, 3 points above Real Madrid. Confidence should be on the highest possible level. Coach Xavi wants to give absolutely everything to win this Cup, he said: "We care about it, of course, and we are motivated. We want to be there until Sunday and win the final. It makes us excited. It would give us peace of mind. It wouldn't change much whether we win it or not, but of course, it's a title. We keep in mind not to make mistakes because Betis is the Cup champion. Betis is a difficult opponent. I am here to win titles and if there are no titles this season you are going to kill me. So go for it. It would strengthen us a lot. It would reinforce us and if not, it would be a disappointment. We are going to compete at the highest level."

Barcelona have great H2H against Betis and with Lewandowski on the pitch should be able to win this game.

本译文使用有道机器翻译，仅供参考：

在我看来，巴塞罗那有很好的机会在今天的比赛中获胜，并获得进入决赛的资格。

在沙特阿拉伯的中立场地进行比赛，所以对任何一方来说都没有主场优势，但巴塞罗那有巨大的心理优势，因为他们在过去18场比赛中赢了15场贝蒂斯。

巴塞罗那将以最强大的阵容参加这场比赛，因为左后卫阿尔巴和最佳射手莱万多夫斯基都可以上场。毫无疑问，这极大地提升了人们的信心。另一方面，贝蒂斯最好的助手亚历克斯·莫雷诺(他也是排名第二的球员)无法上场。这应该会对他们今天的表现产生非常糟糕的影响。

贝蒂斯在西甲客场2:1战胜拉约。从纸面上看，这是一个不错的结果，但贝蒂斯的表现根本没有令人信服，他们不应该得到3分:Rayo的预期进球数为1.61，贝蒂斯的预期进球数为0.93。

巴塞罗那在客场对马竞的比赛中大获全胜，保住了积分榜第一的位置，领先皇家马德里3分。信心应该处于尽可能高的水平。哈维教练想要付出一切来赢得这个奖杯，他说:“当然，我们很关心它，我们很有动力。我们想在那里待到周日，赢得决赛。这让我们很兴奋。这让我们安心。不管我们赢不赢，这都不会有太大的改变，但当然，这是一个冠军。”我们牢记不要犯错误，因为贝蒂斯是足总杯冠军。贝蒂斯是个难对付的对手。“我来这里是为了赢得冠军，如果这个赛季没有冠军，你会杀了我的。所以去争取吧。这会让我们更加强大。它会让我们更强大，如果没有，那将是一个失望。我们将在最高水平的比赛中竞争。”

巴萨在对阵贝蒂斯的比赛中表现出色，莱万多夫斯基在球场上应该能够赢得这场比赛。