Research background: Human resource management is a process that includes several consecutive phases. Employee performance evaluation is one of them. It is a starting point for rewarding employees as well as for several other personnel activities, such as personnel planning, job analysis, employee deployment, and more. The company may approach the evaluation of employee performance itself in different ways. Employee performance can be evaluated in different ways and with different frequencies. The setting up of the employee performance evaluation system is based on global and local conditions, corporate culture, and the needs of the company's management. Purpose of the article: The article aims to discuss the approach of the companies in the Czech Republic to the evaluation of employee performance and to evaluate whether or not there have been any changes in this system due to the global pandemic COVID-19. Methods: The starting point of our research is quantitative data on companies in the Czech Republic, obtained by a questionnaire survey immediately before the COVID-19 pandemic and after its first year. Using the chi-square test the attitudes of these companies to the evaluation of employee performance and their changes as a result of COVID-19 are evaluated. Findings & Value added: Conclusions are drawn regarding changes in the system of employee performance evaluation, the method of implementation and frequency of evaluation, and its use in personnel work in the first year of the COVID-19 pandemic.