Realistically, Villarreal is a much better and more experienced team than Hajduk, a semi-finalist in the Champions League and any other result would be a big surprise. The difference in the quality of these two teams was obvious during the game, especially in the first half.
Villarreal's coach rested his main players in this game, and in the second half he just played the game to the end and did not chase the result anymore, thus saving Hajduk from an even bigger defeat and disaster.
The players and fans of Hajduk are hoping for a miracle in return, but that would really be a huge surprise because the difference in the quality of the team is too great.