The 26-year-old centre-half could be set to depart Stefen Baumgart’s side when the transfer window opens.
Danilho Doehki is attracting interest from various clubs around Europe, Sky Germany has reported.
One side believed to be keen on the Union Berlin defender is Fiorentina from the Serie A.
Although no negotiations have commenced, Doekhi can imagine a departure from Köpenick this summer.
The Netherlands defender is under contract with the German capital club until 2026 when a release clause becomes active.