Rainbow Six Siege Announces 2026 Challenger Series
Ubisoft has officially launched the 2026 Challenger Series, the second-tier gateway for amateur Rainbow Six Siege teams to progress into regional pro leagues. This marks the second edition, building on last year’s revamped structure with merged regions for fiercer competition.

Open to squads worldwide, the series kicks off with qualifiers next month, feeding winners straight into the 2026 regional leagues.
- Event: Rainbow Six Challenger Series 2026
- Launch: Open Qualifiers February 21 – March 1
- Regions: Europe, Americas, Asia Pacific, Oceania
- Top Prize: Automatic spots in Regional Leagues (Split 1 & 2)
Format Breakdown
The revamped pipeline ensure action from day one:
- Open Qualifiers: Single elimination, best-of-one matches (Feb 21–March 1)
- Phase Two: 16 top teams in Swiss system for balanced brackets
- Finals: 8 teams advance to single elimination showdown (March 12–15)
2026 Rainbow Six Esports Roadmap
The Challenger Series slots perfectly into a stacked year:
- Season Kick-Off: April major event
- Esports World Cup: Mid-season showdown in August
- Six Invitational 2026: World Championship finale in Paris with $3m (~£2.23m) prize pool—16 global teams vie for glory
Regional leagues run through both halves of the year, with Challengers finalists jumping straight in.