












… our coaching philosophy. Not what we currently know from research on effective learning in sports. Things change; ultimately, we know that we don’t know anything. That’s why we draw on our years of combining theory and practice with hundreds of tennis players of all ages. We don’t stand still. This sometimes requires changes to that, what we do on the courts, which should also be reflected in the visual presentation and in the title.
Therefore, we have decided to expand the name of our philosophy: Inner Coaching, which is now only one part of the TMS concept, is becoming GAME MIND LEARNING.
This includes Inner Game, Differential Learning, the Constraints-Led Approach, and the philosophy of the Heidelberg Ball School. We examine any perceived conflicts in the approaches using Wolfgang Schöllhorn’s Differential Learning approach and scientific verifiability. The name of the website Inner Coaching Blog will remain the same for now, as will the name of the Instagram account.

Sometimes a short sentence or a picture gives you a flash of inspiration. This is, what we intend with posts and stories in instagram and facebook. Sometimes a lot a day, sometimes the next after a short pause for thought.
In vielen Sportarten ist der Constraints Led Approach fast schon Standard. Manchmal werden Veränderungen der Rahmenbedingungen eingesetzt (z.B. andere Spielfeldformate, Regelvariationen, …), ohne dass es einer bestimmten Methodik zugeordnet wird.
Leo Jonathan Teßmann und Gora Sen haben für den Fußball in der Zeitschrift FUSSBALLTRAINER-MAGAZIN 12/2025 den CLA unter dem Titel „Train as you play“ beschrieben. Übertragen auf die Sportart Tennis lässt sich auch feststellen, dass wir Formen aus dem CLA in der Trainingsarbeit immer häufiger, oft aber als isolierte Übungsform beobachten können (Spiel auf veränderte Zielfelder). Oft fehlt im Tennis dann jedoch die Umsetzung der veränderten Constraints in Spielformen.
Wie immer lohnt sich deshalb der Blick über den Tellerrand.
Kinder lernen, wenn sie ohne Instruktionen, Bewegungsanleitungen wie technische Ausführungsregeln spielen können.
Prinzip der Ballschule Heidelberg
A popular method of implicit learning that convey shots with topspin, forces long rallies, balls played deep into the court,… is a change in the framework conditions through an increase of the net.
However, this usually only refers to a higher, parallel-tensioned belt or net..
But there are more ways to change constraints: A net that is higher or lower in the middle than at the sidelines, or a net elevation running from left/right to right/left, requires adjustments in technique and tactics.
The results? Let your players play and wait for their creativity.





