Talking about this match recently i have checked the odds between these teams and i can see it that the bookmakers was placed Freiburg as the favourite but i think it's normal because Freiburg performance was more stable compared to Union Berlin and at Europa league too Freiburg can playing consistent and qualified to play off matches and i haven't checked the squad conditions but if there is no key players from Freiburg who got injured and no suspension players i think they can able to overcomes Union Berlin
In fact, Freiburg will definitely be the favorite in terms of Freiburg's performance being far superior, while Union Berlin is currently in a very bad trend without being able to get good results in several matches.
But I will not underestimate Union Berlin because usually a club that is experiencing a bad trend can give a surprise at the end of the match even though I really believe that Freiburg can win but we look at the previous results. Heidenheim can beat Freiburg but it is an away match and it seems more comfortable if betting on a total score of more than 2 will have greater odds.