German specialist Christian Groh is the tennis coach of Bulgarian Grigor Dimitrov. Christian Groh has previously worked with Tommy Haas and Taylor Fritz.
Christian began working with Grigor at the end of 2019 when Dimitrov stopped working with Radek Stepanek.
Also in the coaching team of Grigor, there is a fitness trainer – Sebastien Durand, and a physiotherapist – Casey Cordial
Coaching Career Highlights
- 2011: Michael Berrer
- 2012-2013: Tommy Haas
- 2014: Bradley Klahn and Taylor Fritz
- 2015: Tommy Haas and Taylor Fritz
- Coached Tommy Haas from outside the Top 200 to a ranking of World No. 11 within less than 24 months. During that time, Haas won the following titles: Halle (2012), Munich and Vienna (2013), and beat Roger Federer and Novak Djokovic
- Started working with Taylor Fritz at age 15. In 2015, Fritz won the US Open Juniors and reached the French Open final. He became #1 in the world in the Junior ITF Rankings. In the same year, he also won back-to-back Challenger titles in Sacramento and Fairfield at the age of 17
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