TETTETR.IO World Series (TWS)

Next matches

No TETR.IO World Series (TWS) matches are scheduled right now.

Events

Event	Dates	Location	Prize	Winner
TETR.IO World Series 2026	Oct 11 to Dec 6, 2026	World	$1,500 USD

Players

• ?TBD

Format and rules

Organizer

TETR.IO World Series

Type

Online

Location

World

Prize pool

$1,500 USD

How TETR.IO World Series 2026 is played:

• Team Registration: August 30, 00:00 PDT – October 11, 23:59 PDT
• Prior to the tournament announcement, the organizers preemptively reached out to and designated a team captain for select countries.
• Players from countries without a team captain may nominate one by contacting tournament staff.
• Team captains are responsible for recruiting players, registering their team rosters, and distributing cash prize winnings to individual team members.
• Each team roster must contain at least 5 and at most 10 players.
• A player is considered eligible to represent a specific country/region/territory if they meet at least one of the following criteria:
• TETR.IO account IP history from country over a span of at least 3 consecutive months (verification performed by TETR.IO staff)
• Proof of citizenship with photo id, in combination with facecam, a logged-in TETR.IO profile, and one 40L sprint on camera (verification performed in video call with a TWS organizer)
• Seeding: October 12 – 18
• Teams are seeded by the Tetra League Glicko sum of the 5 highest rated players on each team with less than 200 RD at the registration deadline.
• Top 20 seeded teams qualify to play in the tournament.
• Group Stage: October 19 – November 8
• Round Robin with 4 groups.
• Groups are formed by randomly drawing one team from 4 different skill-based pools.
• Pools are constructed by partitioning the team list in descending order by seed.
• 5v5 counterpick draft, five FT7 1v1s, Tetra League Season 2.
• Top 1 team from each group advances to upper side of playoffs bracket.
• Next 1 team from each group advances to lower side of playoffs bracket.
• Team ranking within a group determined by, in order of precedence:
• Number of wins
• Point differential
• Head to head
• Seed
• Playoffs: November 9 – December 6
• Double Elimination split bracket
• 5v5 counterpick draft, five FT7 1v1s, Tetra League Season 2.
• 5v5 counterpick draft
• If one team has fewer players than the other team, then they forfeit 7 points for each unmatched player.
• Blind pick 1v1
• Each team takes turns banning opponent players until only 3 remain on each team.

From the event page on Liquipedia (CC BY-SA 3.0).

Common questions about TETR.IO World Series (TWS)