In 2011, Murray became only the seventh player in the Open Era to reach the semi-finals of all four Grand Slam tournaments in one year. He was diagnosed at the age of 16 and had to stop playing tennis for six months. Murray is seen frequently to hold his knee due to the pain caused by the condition and has pulled out of events because of it, but manages it through a number of different approaches. At 15, Murray moved to Barcelona, Spain, where he studied at the Schiller International School and trained on the clay courts of the Sánchez-Casal Academy. in July 2003, Murray started out on the Challenger and Futures circuit.
