In general, Jack has mastered in both strokes the art of the close to optimal body energy unloading (=Tennis 3.0), which goes over the targeted pronation of the entire limb (long-axis pronation). This targeted pronation is possible when, among other conditions, a perfect eye control of the ball leading to optimal spacing is present. Some of the other conditions necessary...
The one-handed backhand can be considered as Stefanos' signature stroke. He belongs to the rather small group of the young players playing the one-handed stroke on the backhand side. In general, the one-handed backhand variety gives a better chance for the acceleration but can be also rather more challenging...
Naomi correctly fulfills all the essential Service 3.0 (of Tennis 3.0) requirements. Certain distinct improvements bringing higher margin and better efficiency would be still possible though. Some of the main aspects to work on are mainly around the rather arm-power forced pronation, which is quite normal when proper pronation was introduced to the player later in the career but should still become a bit more fluid (with better contraction-relaxation coordination) over the time to make an optimal....
From the point of the technique, Karolina has some excellent aspects of the Service 3.0 going most probably back to her early technical development stage in her junior years and also one little weakness leading to a lower margin at decisive (tense) moments like during her recent US.Open finals. Some of the main elements can be seen below..
Ewa (6y 6m / POL) – Forehand 3.0 & Backhand 3.0 in a practice rally with the DTBT Foam Balls FB-90 Green while using the old wooden Adidas Ilie Nastase racket with grip 4 !!! She just grabbed it and wanted to try at the beginning of her session after the warm-up. As Ewa is since...
