Someone please can help me with this problem? When the game runs, everything runs ok, but, when the battle begins, the screen just turn to black and, when i pause it, back to normal.
In order for us to provide better support, we need to see the log generated by Citra. This guide will walk you through how you can obtain the log file: How to Upload the Log File.
This is an AMD specific bug with OpenGL for smash. Run the game in Vulkan.
Thank you very much!