Bozděch, Michal
Article History
Received: 1 October 2025
Accepted: 9 January 2026
First Online: 23 January 2026
Declarations
:
: Not applicable. This study analysed publicly available and anonymised data from the International Tennis Federation (ITF) World Tennis Tour Juniors rankings. No human participants, interventions, or identifiable personal data were involved.
: Not applicable. The manuscript does not contain any individual person’s data in any form (including images, videos, or identifiable details).
: The authors declare no competing interests.