First-time participant Kamimura Gakuen of Kagoshima Prefecture defeated Wakayama Shogyo of Wakayama 5-3 Thursday and secured a spot in the quarterfinals of the national high school invitational baseball tournament.
Ryo Tennojiya broke a 1-1 tie with an RBI double in the sixth inning at Koshien Stadium, and the second-year team capitalized on an error to make it 3-1 in the same frame.
Ryoma Nogami struck out seven in a complete game. Kamimura Gakuen enters its third year since the establishment of its baseball team next month.
In other second-round games, Toshihiro Ito singled in the fifth run in a four-run eighth inning for his second RBI of the day as Aichi's Toho beat Tokaidai Sagami of Kanagawa 7-3.
Toho will be making its first quarterfinal appearance since it won the annual spring tournament 16 years ago.
Yuki Maetaka yielded eight hits but limited the damage to a run over the distance, lifting Okinawa Shogaku over Saijo of Ehime 6-1.
Tomoya Koizumi capped a three-run first inning with a two-run single and with 14 hits, the Okinawa school produced double-digit hits for the second straight day.
Kobe Kokusaidai Fuzoku (Hyogo), Keio (Kanagawa), Tenri (Nara), Aikodai Meiden (Aichi) and Haguro (Yamagata) also advanced to the quarterfinals.