The objective of our study was to identify differences in tennis performance across the national junior ranking. The survey was conducted on the assumption that the position in the national rank is influenced by mental and motor skills. Our study involved a total of 67 athletes, aged between 13 and 18 years (mean age = 15.39, SD = 1.63). The participants were subjected to the focused attention test, Toulouse-Piéron the space guidance test of the CAS battery, the Sport Motivation test SMS – 28 and a coordination test Tapping and Tracing, all aimed to achieve image profiles of junior players. The test results reported substantial differences regarding skills between top athletes and participants of lower national rank.