Planning a gaming setup in a small space works best when you measure carefully....

https://dimensionzhub.com/how-much-space-does-a-gaming-setup-really-need/

Planning a gaming setup in a small space works best when you measure carefully. Aim for a desk about 100 to 120 centimetres wide to fit your monitor and keyboard comfortably. Use a monitor arm to free up desk space and keep your screen at eye level