The following issue has been fixed in this hot-fix patch:

• Fixed an issue that occurs during 2 player gameplay where the controller input does not register in certain situation.
  
• Fixed an issue in Training mode where the training dummy will move unintendedly during certain situation.
  
• Implemented a feature where during server initialization failure, players will still be able to play on the Network Mode.
  

We understand that several users are experiencing issues with regards to connect to network and having disconnections during online gameplay.
We would like to seek your cooperation to aid us in investigating the issue.

For more information, please refer to the link below:
https://steamcommunity.com/app/801630/discussions/0/3317353727658169305/

We apologize for the inconvenience caused.