Began playing tennis at age four with his parents...Father, Kauko, and mother, Leena, are retired chemists...Has one older sister, Anna-Riikka, who is an editor at a publishing company...Speaks Finnish, Swedish and English...Enjoys hockey, badminton, soccer and listening to various types of music...Won 1999 Junior US Open title over Denmark’s Kristian Pless...No. 9 in junior world rankings that year...Former No. 1 Bjorn Borg watched his 2001 Stockholm final and said, “‘I think he could become a great personality”...Wife, Anu Weckstrom is No. 1 badminton player in Finland and reached a career-high No. 13 in world...Both members of Finland's 2004, 2008 and 2012 Olympic team...In November 2007, served a short stint in Finnish army...Member of ATP Player Council from June 2010-June 2014.