Australasian Intervarsity Debating Championships
The Australasian Intervarsity Debating Championships is an annual debating tournament for teams from universities in the Australasian region. It is one of the world's largest debating tournaments, second only in size to the World Universities Debating Championship, the European Universities Debating Championships and one of the largest annual student events in the world. Australs follows the Australia-Asian Debating format, rather than the British Parliamentary Style used at WUDC. It is held every year in early-July under the auspices of the Australasian Intervarsity Debating Association . The host university is selected a year before at a meeting of the Council of the Australasian Intervarsity Debating Association.
The best speaker of the tournament is awarded the "Martin Sorensen Trophy", and the best speaker of the Grand Final is awarded the "Jock Fanselow Cup".
The most recent edition of Australs was held by EduDrift. The tournament was hosted in Guangzhou, China. The current champions are Cavan Tay, Justin Tay and Rei Ya Yeo of the NUS, National University of Singapore.
History
Since the inaugural tournament at the University of Sydney in 1975, Australs has continually expanded the scope of its participants, now attracting around 300 competitors each year from around the Asia-Pacific region. Australs was significantly modernised in 1993 when a new constitution was introduced by then AIDA President. The Constitution provided for standard rules of debate and adjudication, and provided for extended voting rights for non-Australian and New Zealand participants. Currently teams come from Australia, Bangladesh, China, Hong Kong, India, Indonesia, Japan, Malaysia, New Zealand, Pakistan, Singapore, South Korea, Thailand, Russia and the Philippines.Prior to the inception of the AIDA in 1990, there were occasional problems with the administration and rule-format for Australs, as the running of the tournament was left to the host university, with a meeting of all Universities at the end of the competition. There was little ongoing supervision of the hosts, and adjudication standards varied widely.
Gender and Diversity
In 1992 an affirmative action requirement was introduced to ensure that at least one third of each University's contingent must be female, unless the circumstances could be justified. This was prompted by the poor representation of female debaters at Australs. In 1990 only 8% of all speakers eligible to make the finals at Australasian championships were female, although women were over-represented as adjudicators. In 1991, the year before the introduction of the affirmative action requirement, the first women's meeting was held to discuss ways to combat the problem. At that time the participation rate had risen to 21%, with the introduction of a number of universities as first-time participants. Few women were represented in the finals, however. The intention behind the introduction of the rule was that it would encourage universities to promote debating to a large number of potential members and train their debaters before they attended Australs. It was also thought that this would encourage a greater diversity of speaking styles, rather than what was seen as a very aggressive style by a number of very successful and talented Australian male debaters, and this would benefit all debaters and universities.Awards and Prizes
Martin Sorensen Trophy
The 'Martin Sorensen Trophy' is awarded to the best speaker of the tournament.A prize recognising the tournament's best speaker was first awarded in 1989, however in 1994, it was renamed the Martin Sorensen Trophy in honour of the outstanding Monash University debater who died in July 1993 – only days after winning the award for the second time in a row.
Sorensen was considered to be the finest debater of his generation. In addition to being awarded the Best Speaker prize twice, he won the tournament twice, was a runner-up once, and was selected in the Australian Test team 3 years in a row. After his death, it was decided that the Best Speaker award would be named in Sorensen's honour to preserve his memory, and it is common for Australs debaters to be educated about his legacy even now, 20 years after his death.
The Trophy is awarded to the debater with the highest total sum of speaker scores in the preliminary rounds of competition. It is considered to be the most prestigious individual award in Australasian debating.
| Year | Name | University |
| 2025 | Cavan Tay | National University of Singapore |
| 2024 | Charlie Ryan | University of Sydney |
| 2023 | Udai Kamath | University of Sydney |
| 2022 | Udai Kamath Matthew Toomey David Africa | Macquarie University University of Sydney Ateneo De Manila University |
| 2021 | Oliver Cummins | University of Sydney |
| 2020 | Sourodip Paul Ploopy | Australian National University Taylors University |
| 2019 | Connor O'Brien | University of Melbourne |
| 2018 | Imogen Harper | University of Sydney |
| 2017 | Imogen Harper Dominic Guinane | University of Sydney Australian National University |
| 2016 | Emma Johnstone | University of Sydney |
| 2015 | Tyrone Connell | University of Melbourne |
| 2014 | Asher Emanuel | Victoria University of Wellington |
| 2013 | Daniel Swain | University of Sydney |
| 2012 | Chris Bisset | Monash University |
| 2010 | Victor Finkel | Monash University |
| 2009 | Amit Golder | Monash University |
| 2008 | Naomi Oreb | University of Sydney |
| 2007 | Sayeqa Islam | Victoria University of Wellington |
| 2006 | Elizabeth Sheargold | University of Melbourne |
| 2005 | Ivan Ah Sam | University of Sydney |
| 2004 | Mathew Kenneally | Australian National University |
| 2003 | Tim Sonnreich | Monash University |
| 2002 | Tim Sonnreich | Monash University |
| 2001 | Steve Bell | University of Melbourne |
| 2000 | Kim Little | Monash University |
| 1999 | Dan Celm | Monash University |
| 1998 | Praba Ganesan | De La Salle University-Manila |
| 1996 | Lizzie Knight Phillip Senior | Monash University University of Western Australia |
| 1995 | Christian Porter Matthew Richardson | University of Western Australia University of New South Wales |
| 1994 | Tony Burke | University of Sydney |
| 1993 | Martin Sorensen | Monash University |
| 1992 | Martin Sorensen | Monash University |
| 1991 | Julian Beckedahl Rufus Black | Monash University University of Melbourne |
| 1990 | Camilla Newcombe | Australian National University |
| 1989 | Richard Douglas | Australian National University |
Jock Fanselow Cup
The best speaker in the Grand Final is awarded the 'Jock Fanselow Cup.'Jock Fanselow was a debating legend in New Zealand and Australasia. Representing Victoria University, he won Australs in 1980,
and 1982 – the first person to win Australs twice. He was best speaker in the Grand Final of both years. Unfortunately, ill health plagued Jock since birth and a suppressed immune system saw him contract a virus which led to his death in January 2006 at the age of 48. Jock's debating teammates, friends, and family donated a cup in his name and it was first presented at Australs 2006, held at Jock's home university, Victoria University of Wellington.
| Year | Name | University |
| 2025 | Cavan Tay | National University of Singapore |
| 2024 | Sophie Shead | University of Sydney |
| 2023 | Charlie Ryan | University of Sydney |
| 2022 | Sam Trotter | University of Sydney |
| 2021 | Toby Leung | Ateneo de Manila University |
| 2020 | Amrit Agastia | Australian National University |
| 2019 | Connor O'Brien | University of Melbourne |
| 2018 | Georgia Chahoud | Macquarie University |
| 2017 | Callum Dargavel | Australian National University |
| 2016 | Ameera Natasha Moore | International Islamic University |
| 2015 | Evie Woodforde | University of Sydney |
| 2014 | Nicholas Cross | Victoria University of Wellington |
| 2013 | Daniel Swain | University of Sydney |
| 2012 | Kiran Iyer | Monash University |
| 2011 | Udayan Mukherjee | Victoria University of Wellington |
| 2010 | Stephen Whittington | Victoria University of Wellington |
| 2009 | Amit Golder | Monash University |
| 2008 | Naomi Oreb | University of Sydney |
| 2007 | Sayeqa Islam | Victoria University of Wellington |
| 2006 | Roland Dillon | Monash University |
Boby Andika Ruitang Memorial Trophy
The best ESL speaker of the tournament is awarded the 'Boby Andika Ruitang Memorial Trophy'.The trophy was introduced after Boby's passing in 2021 to commemorate their exceptional contribution to debate in Asia and support of ESL speakers in global debating.
| Year | Name | University |
| 2025 | Ricky Jin | Peking University |
| 2024 | Annika Wang | University of Sydney |
| 2023 | Ahsan Kuhan Karttikeyn | University of Malaya |
| 2022 | Bea Legaspi | University of the Philippines Diliman |
| 2021 | Sajid Khandaker | BRAC University |
| 2020 | Ploopy Sourodip Paul | Taylor's University Australian National University |
| 2019 | Sajid Khandaker | |
| 2018 | ||
| 2017 | Syarif Fakhri | International Islamic University Malaysia |
| 2016 | Mubarret Wassey | International Islamic University Malaysia |
| 2015 | ||
| 2014 | ||
| 2013 | ||
| 2012 | ||
| 2011 | ||
| 2010 | ||
| 2009 | Tirza Reinata | University of Indonesia |
| 2008 | ||
| 2007 | Astrid Kusumawardhani | University of Indonesia |