ESL has revealed additional details regarding the European closed qualifier for ESL One Cologne 2017 that will take place on May 20-21.

ESL One Cologne returns to the LANXESS Arena on July 7-9, with a $250,000 prize pool and some of the world's best teams such as Natus Vincere, FaZe and Virtus.pro already confirming their attendance.

The two EU qualifier spots for ESL One Cologne will be filled in May 

However, lesser known teams will also have a chance to qualify for the tournament through a series of qualifiers, starting with the European open qualifiers that will be held on April 22-23 and 28-29. Sign ups are available here and here.

More importantly, new details about the European closed qualifier have been revealed. The qualifier will feature 12 teams: nine invited ones, the team that wins ESL Meisterschaft and the two best teams from the open qualifier cups.

The 12 teams will battle it out in a single-elimination, best-of-three bracket that will take place on May 20-21.

The full European closed qualifier schedule is as follows:

Saturday, May 20th

15:00 Round of 12

Sunday, May 21st

12:00 Quarterfinal one and two
15:00 Quarterfinal three and four
18:00 Semifinal one
21:00 Semifinal two

The winners of each semifinal will qualify for ESL One Cologne 2017.

Professeur writes for HLTV.org and can be found on Twitter.