Solid Core Scooter Wheels How Do I Repair A Fist-sized Hole In A Solid-core Door?

How do I repair a fist-sized hole in a solid-core door? - solid core scooter wheels

Idiot tenants put his hand on the side. The hole is too large to remove pieces of wood filler, dye and paint. Too expensive to get it with a new pre-hung door, you have to stain and varnish to replace. I do not think that has already been stained and not painted, right? And if so, where?