R6 Siege Invitational 2025 Dates. Rainbow six siege will be celebrating top teams across the globe in a world championship, also known as six invitational 2025. The six invitational is the biggest rainbow six siege event of the year and the 2025 edition takes place in boston.

It features 20 top teams competing for a $3,000,000 prize pool and exclusive in. As the montreal major cools off, the season is still heating up as teams prepare for a chance to earn a coveted spot.