Tournament newcomer Ogaki Nichidai booked a spot in the quarterfinals Friday in a come-from-behind 4-1 victory over Miyakonojo Izumigaoka of Miyazaki Prefecture at the National High School Invitational Tournament.
Trailing 1-0 in the first inning, the Gifu Prefecture school wrapped out four hits in the bottom half to take the lead in second-round action at Koshien Stadium.
Takayuki Morita made a shaky start but settled down in a complete-game outing, allowing one run and eight hits.
In the day's other game, Yusuke Nomura fanned six in six strong innings as Hiroshima's Koryo beat Hokuyo of Osaka Prefecture 5-3.