Oracle Fusion SSO against multiple providers

Hi,

I would like to ask if there is any solution for fusion application login where we need to authenticate against more identity providers without entering username. At the moment we have set a SAML AD to IDCS for multiple Azure domains. Upon accessing Oracle Fusion application, user has to provide email address. Based on user's email domain this is routed by Identity provider rules and authenticated against relevant domain. The question is if there is any way how to bypass the step with asking for username, something like identity driven SSO where upon opening the login page browser would automatically