![The Tennis Letter on Twitter: "Stan Wawrinka & Jannik Sinner practicing together at Wimbledon They're not even hitting at full speed, but this angle really shows how fast Stan's ball leaves the The Tennis Letter on Twitter: "Stan Wawrinka & Jannik Sinner practicing together at Wimbledon They're not even hitting at full speed, but this angle really shows how fast Stan's ball leaves the](https://pbs.twimg.com/ext_tw_video_thumb/1674005080784228353/pu/img/q_s1VzY9TGe11_H5.jpg:large)
The Tennis Letter on Twitter: "Stan Wawrinka & Jannik Sinner practicing together at Wimbledon They're not even hitting at full speed, but this angle really shows how fast Stan's ball leaves the
![Stan Wawrinka on setbacks, preparing for Wimbledon and friendship with Roger Federer | The Independent Stan Wawrinka on setbacks, preparing for Wimbledon and friendship with Roger Federer | The Independent](https://static.independent.co.uk/2023/06/28/08/23626d623e9ff5284302682243a1a67aY29udGVudHNlYXJjaGFwaSwxNjg3NTI1MDE0-2.67631555.jpg)
Stan Wawrinka on setbacks, preparing for Wimbledon and friendship with Roger Federer | The Independent
![Stan Wawrinka has plans to overthrow Rafael Nadal and Roger Federer | Tennis | Sport | Express.co.uk Stan Wawrinka has plans to overthrow Rafael Nadal and Roger Federer | Tennis | Sport | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/72/590x/Stan-Wawrinka-Rafael-Nadal-Roger-Federer-915458.jpg?r=1686998680160)