From Liquipedia Warcraft Wiki
In this Portal you can find all the information you need about Warcraft III Tournaments.
have not precise features. A duo of players can represent a country, a team
or a race. Matches can be 1v1, 2v2 in different format.
Weekly 2v2 tournaments
Weekly tournaments are tournaments that occur regularly and most often as weekly events. They are generally less stacked with world-class competition and offer low prize money. However, they serve as a platform where lesser known players can practice in an intense environment and can make a name for themselves.