On various occasions in professional wrestling, a single-elimination tournament of varying match types are held, often to determine a championship or number-one contendership therein. It has been known for promotions to use title tournament that are fictitious in nature (that is, the title may have been simply awarded under the pretext of winning a tournament elsewhere) - notable ones include the tournaments that established the WWE World Heavyweight Championship, the WWE Intercontinental Championship, and the WWE United States Championship (the latter when it was the NWA United States Championship).
In tournaments with a fixed bracket, a multiple-disqualification or a multiple-countout eliminates all parties involved, and those who are slated to face the winner of such a match simply partakes in a match with one less opponent (or simply does not wrestle, if no opponents remain). Tournaments, however, rarely have a final match where only one such finalist remain, with no others qualifying for the final round.
Tournaments may employ a single match type throughout, or may vary match by match or round by round.
When Drew Mcinthyre was fired of the WWE, the title became vacant, so they organised an Intercontinental Championship tournament. Kofi Kingston was the winner but finally Drew came back and was reinstated as the Intercontinental Champion, so Kofi Kingston became the number one contender.
After CM Punk won the WWE Championship by defeating John Cena at WWE Money in the Bank and walked out of the company with the title, Vince McMahon set up a tournament to decide a new champion the following night on Raw. A week later in the final, Rey Mysterio defeated The Miz in the opening match of the broadcast to become WWE Champion. However, he would lose the title to Cena later that night, who would win the title for a WWE record ninth time. CM Punk then returned to the WWE with the title he won, meaning that for the first time in WWE history, two men had a claim to the title. The issue was settled at SummerSlam where Punk won a controversial rematch with Cena to become Undisputed Champion though he would lose the title to Raw Money In The Bank winner Alberto Del Rio seconds later.