As a result of the current pandemic situation, the opening round of the ADAC GT Masters in Oschersleben (14th to 16th May) will take place behind closed doors. Fans who have already purchased tickets can exchange them for another event or return them.
In the next few days, fans who had already purchased tickets for the event in Oschersleben online will receive an E-mail with instructions on how to return or exchange the ticket for another event. Tickets purchased from ADAC branches or Eventim booking offices can be returned there. If the ticket sales points are closed, ticket buyers can request the exchange or return of their tickets via email@example.com.
Source. ADAC GT Masters