How to Build a Stronger Mind, Stronger Game, and Stronger You. Tennis Mindset Training Starts with the Body Tennis players spend countless hours training their strokes, footwork, and fitness — yet the part of the game that decides the most points is the one we train the least: the mind. Tennis mindset training is one of the most overlooked parts of player development. While athletes spend hours on technique and footwork, the mental game decides more points than any stroke. In