In or out of lock-down, Tin Court Tennis is good for practise; it involves cooperative (or competitive) tennis in pairs. Mark our your court with food tins!

Red Ball Rally is a version of mini-tennis that you can play at home! It involves cooperative groundstroke rallies in pairs and you can play full matches.  

You probably have a different idea of TABLE tennis! This version is very different and its ideal if you don't have a smooth or level surface to play on.