>>240724
>>240725
sumodb finally loaded.
Even extending it to MX->MX->S nobody's done it since 1940 when they only had two basho per year. Starting an ozeki run at maegashira should be considered an exception to the sanyaku rule that only applies to joi-maegashira. In other words, it should be thought of as "prove that maegashira rank was high enough that they faced all the strongest competition" instead of it being an assumed given that sanyaku have.