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Nalbandian retired from tennis in 2013. He was a professional tennis player from Argentina who achieved a career-high ranking of world No. 3 in 2006. He won 11 ATP singles titles, including the 2007 Madrid Masters and the 2005 Paris Masters. Nalbandian was known for his aggressive playing style and powerful forehand. He retired from tennis at the age of 31 due to a hip injury.