Two big surprises marked the fourth day of the summer Sumo championship tournament at the Kokugikan on Sunday. Minanogawa and Maedayama, grand champion, and "ohzeki" or second ranking champion, respectively, of the West side went down.
    Minanogawa was matched against Tatekabuto, of the "maegashira," or the fourth rank from the grand champion, of the East side. The champion was subject to fierce hand pushes from the first, but resisted them successfully at first. In a few moments, however, the Tatekabuto's terrific pushes proved too powerful, the champion was shoved out of the ring.
    Maedayama wrestled with Aobayama, "maegashira" of the East side. The former was expected to be the winner, but the determined pushes of the latter proved effective. Although the aggressor was at a time in danger of being lifted out of the ring, his arms proved strong enough to bring down Maedayama, was overwhelmed by the strong power in Aobayama's arms, his three days' winning streak coming to an end.
    Grand Champion Futabayama showed little trouble in defeating his opponent Yamatonishiki. Favored by a fine Sunday the Sumo place, was literally filled up with spectators.
    Results of the principal matches after the intermission follow:

Matsunosato	defeated	Ohnami
Tsurugamine	defeated	Sagamigawa
Hishuzan	defeated	Matsuragata
Banjaku	defeated	Sakuranishiki
Shachinosato	defeated	Dewaminato
Fujinosato	defeated	Ohshio
Asahigawa	defeated	Kasagiyama
Ryuozan	defeated	Tamanoumi
Ayanobori	defeated	Fujigatake
Terukuni	defeated	Shikainami
Akinoumi	defeated	Kaneminato
Nayoroiwa	defeated	Taikyuzan
Itsutsushima	defeated	Katsuragawa
Haguroyama	defeated	Kashimanada
Aobayama	defeated	Maedayama
Futabayama	defeated	Yamatonishiki
Tatekabuto	defeated	Minanogawa