Luka Vuckovic has starred for Hamburg SV since joining on loan from Tottenham Hotspur last summer.
The Bundesliga side have not secured a purchase option or obligation with Spurs, meaning he will have to return to north London after this season.
Last month, Sports Witness Relayed dismissive German reports Tottenham claim to have agreed to extend Vuckovic's loan for another season.
Marilyn Polzin wants Vuckovic to stay
The German club face 1. FSV Mainz 05 in the league on Friday and their manager Merlin Polzin spoke at a press conference on Wednesday.
He talked about the player owned by Tottenham and image Has released his comments. The outlet claims Hamburg's 'big dream' is to keep hold of the Croatia international beyond this season.
The coach has now made public his desire to extend the centre-back's loan stay for another season.
"I am a person of strong beliefs. Of course, I also believe in things that seem impossible, even if they are a bit romantic about football. Nevertheless, there is a clear contractual agreement between the clubs." He said.
"We are very grateful that we found a solution last summer. From the beginning with Luka's camp it was clear that he only wanted to join HSV. The communication with Tottenham has been extremely professional, both last summer and now. We would be very interested in him to continue wearing the HSV jersey."
The Tottenham man is attracting interest
sports witness recently Covered claims from Germany of Bayern Munich as a substitute for the 18-year-old. Bavarian club director Max Eberl was questioned two days ago about to sign it In summer.
Meanwhile, Vuckovic has expressed on several occasions his desire to extend his stay in Hamburg, primarily to play alongside his brother Mario.
Mario is serving a doping ban until November and the pair dream of playing together in Hamburg next season. Bild claims the Hamburg boss was skeptical when reacting to the possibility.
Polzin explained: "Considering what we can expect in approximately 270 days regarding Mario Vuckovic..."
The manager sees a bright future for the defender, who has a contract with Spurs until 2030.
"For me, the goal is not always to inspire players from our current perspective. I want them to get the most out of their careers. If we see a player performing like this at the age of 18, he can achieve a lot." He added.
"In the coaching team we still see a lot of things about him that we don't like. We're working hard on them, because he's very self-critical."
