Dataset for: First-Serve Advantage and Emerging Tactical Limitations in Elite U-14 Boys’ Tennis

This dataset supports the study “Serve Dynamics and Tactical Trends in Elite U-14 Boys’ Tennis” published in Applied Sciences (MDPI). The research analyzes tactical patterns and serve effectiveness in elite U-14 international boys’ tennis, based on an observational analysis of 971 points from the quarterfinals to the final of the Les Petits As 2023 tournament.Data were collected using the OBSTENNIS-JUNIOR-S23 observational instrument and recorded with LINCE PLUS software. The dataset was processed and analyzed using IBM SPSS Statistics 25, focusing on serve type, serve placement, rally length, player positioning, and serve + 1 shot outcomes.FilesThe repository contains a single file titled “DATASET U14 BOYS”, which includes the complete database in IBM SPSS (.sav) format, enabling replication of the statistical analyses and facilitating future comparative or longitudinal research in junior tennis performance analysis.