After showing promise as an amateur, including winning the French Amateur, Sluiter took a golf scholarship to the University of Southern California in the United States. 2006 Dutch National U21 Championship, RiverWoods Dutch Junior Open, Dutch National Strokeplay Championship EPD Tour wins (2) Amateur Jacques Léglise Trophy (representing Continental Europe): 2005 (winners), 2006 (winners) Eisenhower Trophy (representing the Netherlands): 2006 (winners) Palmer Cup (representing Europe): 2008 (winners), 2009 (winners) Professional World Cup (representing the Netherlands): 2013.