Possible to have monitors on both iGPU and eGPU?

I want to have both HDMI ports on the MB and GPU to connect to monitors, is it possible?

Some more details:

• CPU: Core i7 9700K
• MB: Asrock Z390 Phantom gaming-itx/ac
• GPU: RX 580
• OSX 10.15.7
• Bootloader: Clover