Gaming competitions I have done...
Overwatch League 2018 -
I was disqualified due to not being able to play as many hours required in a day when I had the flu.
There is rumor they may be bringing people back due to illness.
This was put on by Blizzard.
Website: https://overwatchleague.com/en-us/players
(This website is a work in progress...being updated daily)