When planning a gaming setup in a small space, start with a desk that's about...

https://wiki-cable.win/index.php/How_to_Measure_My_Room_for_a_Gaming_Desk_the_Easy_Way

When planning a gaming setup in a small space, start with a desk that's about 100 to 120 centimetres wide to fit your monitor and accessories comfortably. Use a monitor arm to free up valuable desk space and keep your screen at eye level