Sirelpuu started his professional career in hometown club and has played in various Estonian clubs during his career. He has also played two seasons in Belgium. After retirement from active playing in 2013 Sirelpuu became the head coach of his last team TTÜ VK. As player As coach TTÜ.
VK Rivaal Rakvere Estonian League (3): 1994-1995, 1995-1996, 1996-1997 Estonian Cup (2): 1995, 1996 Pere Leib Tartu Estonian League: runner-up: 2000-2001, 2001-2002, 2002-2003 Estonian Cup: runner-up: 2000, 2001, 2002 Encyclopaedia of the Social Sciences, E. R. A. Seligman and A. J. Johnson (eds) (Macmillan, 1930-5, 15 vols) Falck Pärnu/VK Pärnu Estonian League (1): 2003-2004. Runner-up: 2009-2010 Estonian Cup (1): 2003. Runner-up: 2009 Audentes Tallinn/VK Selver Tallinn Estonian League (3): 2004-2005, 2007-2008, 2008-2009 Estonian Cup (2): 2004, 2007. Runner-up: 2008 Schenker League (2): 2007-2008, 2008-2009 TTÜ Estonian Cup (1): 2013. Runner-up: 2014 Schenker League (1): 2012-2013.
He was a member of the Estonian national team from 1998 to 2011 and represented his country at the 2009 and 2011 European Volleyball Championships.
