ESL has just announced 16 teams out of the top 20 that will be invited to ESL One Cologne 2020 this year. That means there will still be 6 spots up for grabs based on ESL Pro Tour rankings.
— ESL Counter-Strike (@ESLCS) June 30, 2020
The tournament will offer a prize pool of $1 million dollars with a starting date still up in the air but tentative for a late August start. If you would like to see how the rankings currnetly look for the last remaining invitations, take a look at the ESL CS:GO World Rankings.