Planning a gaming setup in a small space? Start with a desk about 100 to 120...

https://lanescooljournal.inkharbory.com/posts/how-much-chair-clearance-do-i-need-behind-a-gaming-desk

Planning a gaming setup in a small space? Start with a desk about 100 to 120 centimetres wide to fit your monitor and keyboard comfortably. Use a monitor arm to free up desktop space and keep your screen at eye level