The Esports Championship Series Finals group stage details have been revealed, with Luminosity Gaming vs. Ninjas in Pyjamas set to face off in the first match of the tournament, the organization announced Friday.

Also in LG and NiP's group is Team Liquid and G2 Esports, who will play against each other in the second match. Group B features Astralis, Cloud9, Team SoloMid and Fnatic, with Astralis vs. TSM and Fnatic vs. C9 in round one of Group B.

All regular group stage matches will be best-of-one, with the winners' matches, losers' matches, semifinals and the grand finals being played in a best-of-three format.

The Esports Championship Series Finals will run from June 24-26 at the SSE Arena in Wembley, England.

Daniel Rosen is a news editor for theScore esports. You can follow him on Twitter.