The International e-Sports Federation (IeSF) is a global organisation based in South Korea whose mission it is to have electronic sports recognized as a legitimate sport. Teams around the world compete for this tournament. 4 teams will qualify for the main event. and it will be played with bo3 single elimination format.
The second stage of the IESF Dota 2 Europe Regional Qualifiers is just coming soon with 16 national teams fighting for one of three spots in the offline finals.