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

https://www.booknose.win/planning-a-gaming-setup-in-limited-space-means-focusing-on-smart-choices-start

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