Planning a gaming setup in a small space starts with choosing a desk about 100...
https://wiki-net.win/index.php/Chartered_Institute_of_Ergonomics_Workstation_Tips_for_Gamers
Planning a gaming setup in a small space starts with choosing a desk about 100 to 120 centimetres wide—it fits most monitors without overcrowding. Use a monitor arm to free up desk space and keep your screen adjustable