Generally, you need coordination from alot of people. This implication goes as far as several 100 player clans. Everyone then picks the same tank, such as the KV-2 (for example),and starts matching at the same time (maximum room for error - 0.5-2 seconds).
Chances are, both teams will be full of KV-2.
E.g.
(Skip to 1:59:30 for prime example)
P.S. This should not result in a ban. (AFAIK)
Edit: (As a safety measure, I read the general WoT rules,and there is no mentioning of intentionally "disrupting" the server side operations,which I should say,are not even possible from the client side - since after all, I AM into IT and webservers.)
Edited by lnfernaI, 16 May 2019 - 02:59 PM.