The Berlin born player is to regularly gain match practice in the first team and continue his development at a high level of competion. 

From the academy to the professionals 

Blaszczak was born in 2007 in Berlin and moved to 1. FC Union Berlin from BFC Dynamo for the 2020/21 season. There, he developed into an important part of the youth teams. 

The defensive midfielder's game is particularly characterised by his intelligence and both with and without the ball. In the first half of the DFB youth league season 2025/26, Blaszczak scored twice and provided three assists in twelve league matches. He also gained initial experience with the men's firstv team and was used in all friendlies during the current summer preparation. 

With the now agreed contract extension and subsequent loan to Luckenwalde, the next step in his development follows. At Union's long-term cooperation partner, Blaszczak is to gain valuable experience in the daily routine of the Regionalliga. 

The reaction to the contract extension and loan 

"Tim has made very positive progress in recent years and has earned his place in the professional squad," said Union head of men's professional foorball, Horst heldt, on the deal. "With the loan to Luckenwalde, we want to give him the opportunity to regularly get more playing time. We will closely accompany his journey and are convinced that he will benefit from this experience.”