How can I paint red brick wood panels white?

Agnes: First and foremost: PRIME! Then cover with two coats of GOOD latex.

Here’s what we did: https://www.frugalfamilytimes.com/2018/06/how-to-make-faux-brick-wall-look-real.html?m=1

This works on any brick, including panels.

https://lifeonsummerhill.com/how-to-paint-fireplace-bricks/