IEM Cologne Major CS2 2026: Day 1 Upsets — THUNDERdOWNUNDER Stuns MIBR, Sharks Topple Heroic
On June 2, 2026, IEM Cologne Major 2026 for CS2 kicked off at the LANXESS Arena in Cologne with a $1,250,000 prize pool. Day 1 of Stage 1 featured eight matches — and delivered major upsets.
IEM Cologne Major 2026 is one of the most prestigious CS2 majors ever staged. 32 teams from around the world compete in Swiss format for Stage 2 advancement and prize money. Three wins advance; three losses eliminate.
Day 1 Results (June 2)
| Team 1 | Score | Team 2 |
|---|---|---|
| FlyQuest | 16:14 | SINNERS |
| M80 | 13:8 | Lynn Vision |
| THUNDERdOWNUNDER | 13:6 | MIBR |
| B8 | 13:6 | TYLOO |
| Sharks | 13:10 | Heroic |
| GamerLegion | 13:10 | NRG |
| BetBoom | 13:4 | Gaimin Gladiators |
| Team Liquid | 13:10 | BIG |
Biggest Upset: THUNDERdOWNUNDER vs MIBR
The Australian squad, projected by most analysts to leave without a single win, crushed MIBR 13-6 — the team many tipped for a 3-0 run. One of the biggest opening-day upsets in recent major history.
Sharks Sink Heroic
Brazilian Sharks upset Danish Heroic 13-10, another major surprise. Heroic was among the pre-event favorites, and this early defeat significantly complicates their Swiss bracket position.
Day 2 Results (June 3)
In Round 2, Lynn Vision took revenge on Heroic 13-11. B8 eliminated THUNDERdOWNUNDER's momentum 13-11. Matches continue through June 5.