T1 opened play with an excellent triumph as the ONE Esports Dota 2 SEA League began group play on Thursday.

T1 posted a 2-0 victory over Execration, winning maps in 51 and 32 minutes. Singapore’s Galvin “Meracle” Kang Jian Wen led T1 with 24 kills.

NEW Esports and Adroit were also in action, and they played to a 1-1 tie. NEW Esports won the very first map in 36 minutes prior to Adroit knotted ball game by winning the last map in 40 minutes.

Malaysia’s Chong “FelixCiaoBa” Wei Lun led NEW Esports with a 13.0/ 3.0/ 8.5 kill-death-assist ratio. The Philippines’ John Anthony “Natsumi-” Vargas topped Adroit at 10.5/ 2.5/ 6.0.

The $100,000 online tournament includes 10 teams from Southeast Asia. Seven teams got invitations, and 3 teams reached the event through two qualifiers.

The round-robin group stage runs from Thursday through July 12, with all matches best-of-two.

Two groups will be eliminated throughout the group phase. The top four groups will advance to the playoffs’ upper bracket, and the 5th- through eighth-place groups will carry on to the lower bracket.

The double-elimination playoffs will be held July 15-19. Playoff matches are best-of-three till the last, which is best-of-five.

Group phase play resumes Friday as Execration and Team Adroit square off while NEW Esports deal with T1.

ONE Esports Dota 2 SEA League standings, with match record (W-L-T) and game record:

1. T1, 1-0-0 (2-0).

T2. NEW Esports, 0-0-1 (1-1).

T2. Group Adroit, 0-0-1 (1-1).

T4. BOOM Esports, 0-0-0 (0-0).

T4. Fnatic, 0-0-0 (0-0).

T4. Geek Fam, 0-0-0 (0-0).

T4. Neon Esports, 0-0-0 (0-0).

T4. Reality Rift, 0-0-0 (0-0).

T4. TNC Predator, 0-0-0 (0-0).

10. Execration, 0-1-0 (0-2).