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

https://smoothdecorator.com/is-100-cm-wide-enough-for-a-pc-gaming-desk/

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