Team Liquid, Team Spirit, Tundra Esports and PARIVISION swept to opening-day victories on Saturday in the PGL Wallachia Season 4 group stage in Bucharest, Romania.
Other winners were Aurora Gaming, Edge, Team Tidebound and Team Falcons.
The $1 million tournament features 16 teams in a modified Swiss group stage format and double-elimination playoffs through April 27.
All matches in the group stage from Saturday to Wednesday are best-of-three. The top eight teams advance to the playoffs, and the bottom eight are eliminated. The playoffs are April 24-27, with all matches best-of-three except for the grand final, which is best-of-five.
PARIVISION defeated AVULUS in 39 minutes on green and in 41 minutes on red. Team Liquid battled Nigma Galaxy to victories in 54 minutes on red and 45 minutes on green.
Team Spirit swept Shopify Rebellion in 34 minutes on green and 32 minutes on red. Tundra Esports took down HEROIC in 27 minutes on red and 47 minutes on red.
Closer matches included Aurora Gaming opening with a 33-minute win on red, then NAVI Junior squaring the match with a 44-minute victory on red before Aurora closed it out in 39 minutes on green.
Edge also won the first map, in a marathon 58 minutes on red, before Xtreme Gaming drew even in 51 minutes on red. Red was the winning side again as Edge won in 35 minutes to secure the match.
Team Tidebound downed BetBoom Team in 37 minutes on green, then BetBoom won in 45 minutes on green. Tidebound then clinched in 34 minutes on green.
Team Falcons won a battle with Talon Esports, winning in 52 minutes on red, then Talon won in 65 minutes on green. The Falcons took the match in 47 minutes on red.
Matches scheduled on Sunday for 1-0 teams:
PARIVISION vs. Edge, Team Spirit vs. Team Tidebound, Tundra Esports vs. Aurora Gaming and Team Liquid vs. Team Falcons.
Matches scheduled on Sunday for 0-1 teams:
BetBoom Team vs. NAVI Junior, AVULUS vs. Nigma Galaxy, Xtreme Gaming vs. Talon Esports, Shopify Rebellion vs. HEROIC.
Dota PGL Wallachia Season 4 prize pool
1. $300,000
2. $175,000
3. $120,000
4. $80,000
5-6. $60,000
7-8. $40,000
9-11. $20,000
12-14. $15,000
15-16. $10,000
–Field Level Media