U.S. President Joe Biden and former President Donald Trump have sparred for months on the campaign trail, in interviews with reporters and through paid advertisements, creating phantom likenesses of each other to thrash and tear down.

On Thursday, they will confront each other at a CNN debate in Atlanta, their first face-to-face meeting since their last onstage clash in 2020 and since Trump tried to overturn Biden’s subsequent victory at the polls. The event will give both of them a rich opportunity to deploy their attack lines and policy arguments before a national audience.

Here’s what we know about how each man will try to gain the upper hand.