Konami have announced the open Beta for PS4 and Xbox One of PES 2018 from 20/7/2017 till 30/7/2017. which is before Fifa release their version.
You will be able to play in 1v1 & 3v3 teams in two game modes. Quick match and CO-OP. To play go to the store on your device and hit download. No PSN or Gold accounts required to play online.
For more info check out the official page here: