EDS has always participated in competitive debating, visiting tournaments both national and international. EDS has always been successful on both circuits, below are some of the most important tournament victories.

National tournaments

NK Debatteren (1997, 1999, 2000, 2001, 2003, 2004, 2006, 2007)
Bonapartiaans Debat Toernooi (2004, 2007, 2008, 2009, 2010)
UDS Toernooi  (2002)
Cicero tooernooi (2007)
Trivium Toernooi (2007)
Debating toernooi Veenendaal (2001, 2007, 2009)
NK Eloquentia (2006, 2007, 2008)
UCU Toernooi (2004)
Groningen Mini's (2009)

International tournaments 

European Universities Debating Championship, category english as a Second Language (2001, 2003, 2005)
World University Debating Championship, category English as a Second Language (2006)
Ankara Open (2008)
Jacobs Open (Bremen) (2008)
Paris IV, category English as a Second Language (2009)
Manchester IV, category English as a Second Language (2010)