When setting up a gaming station in a tight room, aim for a desk about 100 to...

https://seo.edu.rs/blog/how-much-space-do-i-need-just-to-sit-comfortably-at-my-desk-11216

When setting up a gaming station in a tight room, aim for a desk about 100 to 120 centimetres wide to fit your gear comfortably. Use a monitor arm to free up surface space, and leave at least 75 centimetres of chair clearance behind to move freely