The 2015 National Athletic Tournament (Kokutai) will take place in Wakayama this year, from September 26 to October 6. The high school rubber baseball competition will begin on September 27 and end on September 30. The games will be played at Kuroshio Stadium and Sun Nantan Land Baseball Field. The following are the ten schools that will be competing at the tournament this year.
|School JPN||School ENG|
|北海道尚志学園||北海道||Hokkaido Shoshi Gakuen||Hokkaido|
- 鹿児島実（岩手） - Kogashima Jitsugyo (Kogashima)
- 正智深谷（埼玉） - Shochi Fukaya (Saitama)
Source: Sanspo 8/25/2015