My brother lost account

hey, a long time ago me and my brother were playing tanki online , after a while we came back and we forgot the password he didnt log in for a while and we would realy appreciate if you coul help us in any way he forgot his email from that time his name was 12339_9000 thanks, also if you need any information about what items and guns he had back then or what rank he was we can answer that . thanks