The increasing popularity of private antitrust enforcement in the EU is reflected by number of antitrust damages claims in the member states, following the transposition of the Damages Directive. Meanwhile, rapid growth of digitization in every aspect of social and economic life, particularly in business like commerce and services, has taken place. Recently, the above phenomenon was intensified by COVID-19. This paper aims at discussing private antitrust enforcement and antitrust damages claims in the context of digital transformation of the market. To this extent, there are several main characteristics of the market (e.g. multi-sided platforms, the role of third-party sellers, etc.), that have to be taken into consideration in the above discussion.