The UCU Open was a debate tournament that was organised by the University College Utrecht Debating Union (UCUDU).
The UCSA International Debate Tournament was organised from 2003 till 2005 by the UCUDU. In 2009, UCUDU organised a tournament for high school students. In 2010, the international tournament was organised again. The society hosted an ironperson BP tournament in 2012, where debaters joined individually. The tournament was held in English and used the BP-style.
|2015||32||Oskar Avery & Jess Pearce||Ybo Buruma||Tab|
|2012||24 (individuals)||Mark Manson||Daniël Schut||Tab|
|2011||52||Ali al-Khatib & Rogier Baart||Ali al-Khatib & Rogier Baart & Sheraz Quresi||Tab|
|2010||36||Anne Valkering & Jens Fischer||Sam Block|
|2005||12||Julius Lindenbergh & Julien Spliet||Daniël Schut|
|2004||20||David Ham & Elselijn Kingma||onbekend|
|2003||20||Rens de Jong & Wytze Schouten||Fraser Campbell|