GWENT Challenger #5 Qualifier 1 is a special tournament for the top 50 players from this list: https://masters.playgwent.com/en/rankings/crown-challenger/challenger-5

The winner of this tournament will be invited to play in GWENT Challenger#5 (location and date TBA) . The goal of this tournament is to provide best pro players with a chance to qualify for one of the most prestigious GWENT tournaments in 2019.

Tournament Ruleset is available here.