Most useful drills to improve my game

1.      Lines and crosses

https://www.youtube.com/watch?v=EIjogG50oXE

2.      Alternative spinny and fast shots

3. Practising return of serve with a robot

4. Fast/slow/block drill

https://www.youtube.com/watch?v=leOStpifqJs

https://www.youtube.com/watch?v=h_ZzAOah4RY

https://www.youtube.com/watch?v=7-63wDUnghE

https://www.youtube.com/watch?v=-I5gOiuShDk

https://www.youtube.com/watch?v=TjDbDw6YXCU

5.      Using two return boards to practice different drills

https://www.youtube.com/watch?v=ebBjTHvxi1c

https://www.youtube.com/watch?v=e8sGWk_ghJw