With his third career title, the sekiwake will be considered for promotion to ozeki.
Mitakeumi moves back into sole possession of the lead to set up showdown with the grand champion.
The Dewanoumi stable wrestler has a one-win lead over Terunofuji at the midway point.
The No. 3 maegashira knocks the lone grand champion out of the lead with a huge upset.
The Mongolian-born grappler was pushed to the brink by upset-minded Daieisho.
But as history has shown, unexpected challengers can emerge at any time, especially with several outstanding wrestlers coming up the ranks.
Maegashira No. 1 Daieisho completed his title quest with a victory over Okinoumi on the final day of the tournament.