Having poured over the patch notes from 2.0 onwards, I see no mention of a change to doubles grimoire scoring viz-a-viz adding win ranks to the card. It is safe to say that the present behavior is a bug and having 4780 without doubles rank 1 (25 wins) is the legitimate maximum. Since this bug is localized to the game client code (note the posts below from players who have a mismatch between wins on their doubles cards and the win ranks that should confer if win ranks were actually part of the card), it is going to take longer to fix and is likely a lower priority bug than ones that are entirely localized on the backend (turning win rank rings on for the doubles grimoire card). This is one that Siffow and the programmers for the game client will need to collectively work out a solution for at some point, not one Siffow can unilaterally fix.