Newly promoted ozeki Hakuho survived a scare to earn his fourth win and maintained a share of the lead with three other unbeaten wrestlers at the Summer Grand Sumo Tournament on Wednesday.

News photoOzeki Hakuho unleashes an arm throw on No. 1 maegashira Kisenosato to stay undefeated in the Summer Grand Sumo Tournament at Tokyo's Ryogoku Kokugikan.

Hakuho withstood an early charge from Kisenosato and held a tight grip on the belt at the edge of the ring before unleashing a powerful left-arm throw to topple the 19-year-old top-ranked maegashira at Ryogoku Kokugikan.