Cornwall was licensed in Münster in 2010. At his stallion performance test in Neustadt/Dosse he convinced with a jumping score of 8.48. With an excellent fifth place in the final of the Bundeschampionat 2013, he already attracted attention as a five-year-old. His participation in the Bundeschampionat as a six-year-old was also extremely successful. After clear rounds and top placings in both qualifications, he once again confirmed his quality in the Final. Since 2015, he has also placed highly in advanced level show jumping competitions in the international youngster tours with Christian Kukuk.