EA will be showing the first ever gameplay of Battlefield 1 to the public. They will be live streaming a 64 player match live at EA Play on June 12th 2:00pm PT
You can watch the live stream at https://www.twitch.tv/battlefield
Here is some more info from https://www.battlefield.com/squads
"Excited to see Battlefield™ 1 in action? Tune in on June 12 at 02:00PM PT for Battlefield Squads, where 64-players will take part in the first-ever livestream of Battlefield 1 gameplay. Battlefield community members BATTLEFIELD FRIENDS – NOOB and StoneMountain64 will be serving as Team Captains, and their team rosters will include some of the most well-known YouTubers and Twitch streamers around, as well as a few special guests."
