Tag:ground reaction force

Marin Cilic – Potential risk factors in his service

Tall Marin Cilic (*1988 / CRO) belongs not only because of his impressive 198 cm (6'6'') build to the better servers on the ATP Tour. His service (obviously a clear Service 3.0) has also some excellent technical qualities, mainly around the quite often almost perfect pronation. Despite that, a deeper look at the stats shows that Marin's service,¬†for some probably quite surprisingly, doesn't have the efficiency¬†of the very best in the business. Over his entire ATP Tour career up to date, Cilic has just 56% of the 1st services in the game, in comparison Djokovic 65%, Federer...

Catherine Bellis – Forehand 3.0 with potential

Below, I am comparing Catherine's forehand during her 3rd round match at the 2014 Orange Bowl (against Shiskina / USA - the first tie-break set was very tight there) and her forehand in a practice match against Kayla Day (USA) during the 2017 French Open. At her example is then also quite well possible to explain the certain mystery of the stances.....