* Stefan Duell
Birthdate: 3-Feb-1977
Birthplace: Wuerzburg, Germany
Residence: Wuerzburg, Germany
Nationality: German
Likes: Fitness Training, Football, Medical Science, Anatomy
Speaks: German, English
Career Highlights Education and Training Philosophy Contact


- Official Physiotherapist of the International Premier Tennis League (2014)


- Specialist support to the Davis Cup team of Serbia (2012-2014)


- Physiotherapy and training support to the national Serbian team in winning the Power Horse World Team Cup 2012 in Düsseldorf (Tennis World Team Championship)


- Individual support to Janko Tipsarevic during the 2011 and 2012 Barclays ATP World Tour Finals in London (considered to be the unofficial tennis world championship in which only the top 8 tennis players of the world ranking take part) and at his wins of the ATP tournaments MercedesCup 2012 in Stuttgart/Germany and Aircel Chennai Open 2013 in Chennai/India


Especially worth mentioning is that Stefan started working with Janko Tipsarevic in the beginning of 2011, who at that time ranked 49 in the world. For the first time in his career Janko managed to reach the Top 10 at the end of 2011, finishing the year with his best rank No. 9 and participating in the tennis world championships in the O2 Arena in London (Barclays ATP World Tour Finals). The success continued in 2012 as he finished the year again as number 9 in the world and further qualification for the tennis world championships. 

- Individual support to Yen-Hsun Lu during the 2012 Olympic Games in London and at his winning of the ATP tournament Thailand Open 2012 in Bangkok Doubles competition (with Danai Udomchoke)

- Individual support to Angelique Kerber during the 2012 Wimbledon tournament where she reached the semifinals


- Specialist support to the Davis Cup team of Chinese Taipei (2008-2011)


- Individual support to Yen-Hsun Lu the win of numerous ATP Challenger titles (Kaohsiung/Taiwan 2007, New Delhi/India 2008, Athens/Greece 2010, Seoul/South Korea 2011)

- Individual support to Yen-Hsun Lu and Su-Wei Hsieh at the Asian Hopman Cup 2007 which they won (Qualification-Tournament for the Hopman Cup 2008, where I gave individual support to both as well)

- Individual support to Su-Wei Hsieh at the Australian Open 2008 where she reached the round of last 16


- Providing support for various professional tennis players during all four Grand Slam tournaments (Australian Open, French Open, Wimbledon, US Open): Yen-Hsun (Rendy) Lu during the ATP World Tour since 2007; Su-Wei Hsieh during the WTA Tour 2007/08; Rainer Schüttler during the ATP World Tour (2008-2012); Janko Tipsarevic during the ATP World Tour since 2011; Mikhail Youzhny during the ATP World Tour since 2011; Oliver Marach during the ATP World Tour since 2011; Mischa Zverev during the French Open 2011; Sergiy Stakhovsky during the ATP World Tour since 2011; Philipp Petzschner during the ATP tournaments in Bangkok and Tokyo 2012; Alexander Waske during Wimbledon 2012; Angelique Kerber during the tournaments in Miami, Eastbourne and Wimbledon 2012