I've just launched a new Full Ace Tennis Tour with online tournaments. You can register and play here:
http://fullace.freecluster.eu/
The tour will officially begin from 2018 with official ranking points events. But there are already some warm-up tournaments that you can join an play.
The website will have many more features in future like head-to-head, statistics, hall of fame page with best players and many more.Important: After you create your account on website, you must register your acount on forum too to be able to be able to use it!