@taipei5200 saidSuggest you report to site support.
Open invite game number 13007047. Game opened at move number 30. Is this an error?Game 13007047
@taipei5200
This is the finishing position of one of his recent games and I expect he has just pressed the "start game" button which begins an unrated game from this position:- most likely by mistake or possibly because he didn't understand why his opponent resigned.