COMPETITION EXERCISES AND THEIR EFFECT ON THE PERCENTAGE OF BLOOD SATURATION WITH OXYGEN AND THE ACCURACY OF SKILL PERFORMANCE AMONG TENNIS PLAYERS. Proximus Journal of Sports Science and Physical Education, [S. l.], v. 2, n. 02, p. 84–94, 2025. Disponível em: https://proximusjournal.com/index.php/PJSSPE/article/view/205.. Acesso em: 29 mar. 2025.