Barkeeper's friend with an emery scrubber.
Thank you, I feel like I tried everything
Have you tried CLR-calcium, lime, rust? available at diy stores.
Coca Cola. Let it sit for a while.
Bar Keepers Friend You can make a paste and let it sit in the stain for 15 minutes then scrub with a green Scotchbrite pad.
'Iron Out' spray is our go to product to remove rust stains. Available in hardware and diy stores