When time is reached before a winner is determined, if players are in the middle of a game, the player whose turn it is finishes their turn.
§ 408.4.b Tournament Rules PDF (officieel)
§ 408 End of Match Procedure
§ 408.4 Single elimination matches use untimed rounds so players can play their games to a natural conclusion. In the event that single elimination rounds must use a timer, the following altered End of Match Procedure can be used to determine a winner if time runs out:
