The tournament is named Early Tile Cup
Note that this is run during the upcoming June 8 beta in China, which their official weibo has confirmed it is the Last Beta Before China Launch
For $2,000 prize pool they aimed this tournament at Dormitory/College level
as far as Students can formed a team, obtain student certification and use that to get the beta access. (It sounds like complete school, get access to a game)
The upcoming beta can be obtained in a similar way as Global Beta that is watching streams to get drops.
Discord