The article examines the evidentiary aspect of the development of administrative proceedings in the context of digitalization. It emphasizes that digital technologies are only tools, while the core of the process remains evidence and proving. In this context, the article analyzes the specifics of adversarial proceedings and the active role of the court, proof tactics, and the risks of abuse of procedural rights. It concludes with the necessity of preserving the priority of the substantive theory of evidence in administrative proceedings.