Player card displays no thumbnail until round play button clicked



We are experiencing an issue with a player card not displaying thumbnail until the play button gets clicked. The card validator says the card is valid.

Some people have similar posts on this forum but the solution to this problem has not been posted. Would you please tell is what’s wrong with the card and whether the problem is on our side?

Here is the url of the page with a twitter card meta tages:

Here is the link to our Twitter page, the post with a player card is on the very top with a black player background:

Thank you in advance!