Schenk played badminton at the 2004 Summer Olympics, losing in women's singles to Tracey Hallam of Great Britain in the round of 32. She also won the German championship in the women's doubles with Grether for the first time.
She also competed in women's doubles with partner Grether. They defeated Michelle Edwards and Chantal Botts of South Africa in the first round but were defeated by Ann-Lou Jørgensen and Rikke Olsen of Denmark in the round of 16.
Schenk nearly reached a bronze medal in the World Championship in Hyderabad in women's singles but lost to French Pi Hongyan in the final set, 19:21. It would have been another medal for German women after the shared bronze medals of Xu Huaiwen and Petra Overzier in 2006.
Schenk became an independent professional player in June, having severed ties with the German Badminton Association (DBV). Despite being left in the lurch, Schenk showed great determination to reach the Indonesian Open final in June. She did that with just one training session. In the first inaugural edition of the Indian Badminton League, held from 14 August 2013 to 31 August, Schenk joined Pune Pistons with a reported salary of $90,000.
Schenk also signed a contract with the Xiamen Tefang Badminton Club to compete in the 2013–2014 China Badminton Super League. She was beaten by Sun Yu from Guangzhou Huizhou Weihao 11–8 and 11–5, and later at the end of the year she was beaten by Wang Yihan 12–10, 6–11, 11–6.
In early 2014 in the China Badminton Super League, Schenk was beaten by Wang Shixian representing Jiangsu, 11–5, 11–5. Schenk had announced on her website earlier in the year that she was intent on getting out of the top ten so that she could avoid paying fines for missing Superseries Premier events. She retired the first round in 2014 Malaysia Super Series Premier against Minatsu Mitani and had a walkover to Beiwen Zhang in 2014 All England Super Series Premier. She told the Rheinische Post that she would be working as a personal trainer, that she was studying at the University of Cologne, and that she was writing a book.
At the end of April, she lost to Liu Xin in China Badminton League.
The BWF Superseries, which was launched on 14 December 2006 and implemented in 2007,[3] was a series of elite badminton tournaments, sanctioned by the Badminton World Federation (BWF). BWF Superseries levels were Superseries and Superseries Premier. A season of Superseries consisted of twelve tournaments around the world that had been introduced since 2011.[4] Successful players were invited to the Superseries Finals, which were held at the end of each year.
The BWF Grand Prix had two levels, the Grand Prix and Grand Prix Gold. It was a series of badminton tournaments sanctioned by the Badminton World Federation (BWF) and played between 2007 and 2017. The World Badminton Grand Prix was sanctioned by the International Badminton Federation from 1983 to 2006.