Editing Ozfortress (section)

===Ultiduo===
'''2007 - Present'''<br>
ozfortress [[Ultiduo]] is an annual single-elimination competition run during the offseason between ozfortress' seasonal premier competition - in the past the OWL league and currently the OZF league. For the majority of its lifetime, Ultiduo has been an open tournament run over either a period of a few days or a few hours. Most recently, (Ultiduo 17) the tournament has been run over 3 hours and 2 divisions.

The ozfortress Ultiduo competition is the oldest still-running ''Team Fortress 2'' competition in the Oceanic scene, having been played for over 16 years as of 2024, with its origins lying as far back as the 27th of December, 2007. <ref>[https://web.archive.org/web/20071230221228/http://ozfortress.com/showthread.php?t=25002 Wayback Machine Archive: SINISTAR and BOWT are crowned the 1st ozf Ultimate Duo!]</ref>

====Previous Ultiduo Champions====
[[File:Ozultiduo1.jpg|thumb|600px|Banner for the debut tournament for ozfortress Ultiduo. This season was played before the release of the Ubersaw or the Crusader's Crossbow!]]
{| class="wikitable" cellpadding=2 style="width: 37%; text-align: center;"
|-
! Year
! width="100px" | Season
! Winner (Soldier/Medic)
! Runner-up (Soldier/Medic)
|-
| 2007
| '''Ultiduo 1'''
| '''sinistar/bowt'''
| wackety/iori
|-
| 2008
| '''Ultiduo 2'''
| '''nesk/bowt'''
| vision/nerfed
|-
| 2008
| '''Ultiduo 3'''
| '''komplex/tinfed'''
| nesk/bowt
|-
| 2009
| '''Ultiduo 4'''
| '''lottic/aze'''
| wackety/nomey
|-
| 2010
| '''Ultiduo 5'''
| '''lottic/yuri'''
| yuki/bonobo
|-
| 2011
| '''Ultiduo 6'''
| '''yuki/bonobo'''
| lottic/yuri
|-
| 2012
| '''Ultiduo 7'''
| '''yuki/bonobo'''
| krollic/Avril
|-
| 2013
| '''Ultiduo 8'''
| '''yuki/No Mercy'''
| Raiin/feresar
|-
| 2014
| '''Ultiduo 9'''
| '''yuki/bonobo'''
| Daveii/Mattr and ayR
|-
| 2015
| '''Ultiduo 10'''
| '''Jersh/Sam.'''
| eps/termo
|-
| 2017
| '''Ultiduo 11'''
| '''krollic/Sam.'''
| HERTZ/Remo
|-
|-
| 2018
| '''Ultiduo 12'''
| '''krollic/Sam.'''
| silvo/ceekay
|-
|-
| 2019
| '''Ultiduo 13'''
| '''krollic/arnold'''
| Doge.exe/v4na
|-
|-
| 2020
| '''Ultiduo 14'''
| '''krollic/arnold'''
| silvo/ceekay
|-
|-
| 2021
| '''Ultiduo 15'''
| '''silvo/ceekay'''
| down/essence
|-
|-
| 2022
| '''Ultiduo 16'''
| '''krollic/jd'''
| Donn/Precious.
|-
| 2023
| '''Ultiduo 17'''
| '''krollic/arnold'''
| turris/jd
|}