Planning a gaming setup in limited space starts with choosing a desk about 100...

https://mighty-wiki.win/index.php/Screen_Directly_in_Front_vs_Angled_Monitor_for_Gaming_Comfort

Planning a gaming setup in limited space starts with choosing a desk about 100 to 120 centimetres wide. This width fits most monitors and gear without crowding. Use a monitor arm to free up desk space and keep your screen at eye level