
The central midfielder will play for the Bayer 04 U19 team. 16-year-old Sertdemir, who is of Turkish descent, is set to start with the first team squad in the pre-season under the new Leverkusen head coach Gerardo Seoane. The Swiss coach will meet up with his players for the first time on 5 July in Leverkusen.
“Zidan Sertdemir has a special talent. His signing is a great success for our scouting department after having had him on their radar for three years,” reported Bayer 04 sporting director Simon Rolfes. “We see great potential in Zidan and believe he will make the grade in professional football. That’s why we are including him in training with the first team straight away. Zidan should get experience with the senior squad early on and then take his time in moving up to the next level.”

Werkself-TV shows the highlights of the Bayer 04 women's 3-1 win at RB Leipzig on the 25th matchday of the Google Pixel Frauen-Bundesliga 2025/26.
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The Werkself need a win in their penultimate match of the season at RB Leipzig on Monday evening (18:00 CEST) to keep their hopes of third place alive until the final day. After Eintracht Frankfurt lost on Saturday, Roberto Pätzold's side can close the gap on their rivals to two points and leave it all to play for next Sunday.
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Werkself TV shows the highlights of Bayer 04's 1-3 loss at VfB Stuttgart on Matchday 33 of the 2025/26 Bundesliga season...
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Down to fifth from fourth place despite taking an early lead: in the head-to-head for a Champions League spot, Bayer 04 were 1-0 up at VfB Stuttgart with just a minute played thanks to an Aleix Garcia strike, but ultimately lost 3-1 (2-1) to the more determined hosts. It meant the Swabians leapfrogged the Werkself in the Bundesliga table on the penultimate matchday.
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