The seller can create an auction like eBay Marketplace, by using this add-on called Magento2 Seller Auction Marketplace Add-on.
The sellers can set auctions on their products and the buyer can bid on the product. Marketplace sellers can also update and delete the auction.
Admin can set Automatic, Reserve, Incremental Auction for seller’s product. The seller can also set the auction option as Buy Now or Auction or both when applying the auction for their products.