April 2021-to-date
Coach of Belinda Bencic (Olympic Gold in singles, Olympic Silver in doubles, WTA title in Charleston, top 10)

2018-to-date
Honorary coach, German Tennis Federation (Juniors)
 
2019
Coach of former top 10 Julia Görges
 
2018
Part of the coaching team of former world #1 Victoria Azarenka

2016-2018
Hitting partner, German Fed Cup Team
 
2016
Coach of Annika Beck
 

2022
Tennis Integrity Protection Programme (TIPP) by TIU

2016
B Licence DTB tennis coach

Academic

2016
Bachelor of Science, Wilhelm Büchner University

Sebastian Sachs

Email: bastisa92@web.de