On court conditioning with time measurement. Every time again showing the best of yourself, giving 100% and try to improve the result of the previous repetition. How long can you be stable in your performance?

#tennis #timemeasurement #conditioning #athlete #movement #tennisfitness #oncourt #trainhard #workhard #tennistraining #perform #agility #challengeyourselfdaily #wilsontennisacademygenk #robbrandsmatennisathletedevelopment