2018 National High School Baseball Championship

The 100th National High School Championship held from August 5 to August 21, 2018. The event was expanded to 56 schools to celebrate the 100th event. It was won by Riseisha High School of Osaka over Seiryo High School of Ishikawa.

Participating Teams

Prefecture	Team	Appearance		Prefecture	Team	Appearance
North Hokkaido	Asahikawa University High School	8		Gifu	Ogaki Nihon University High School	5
South Hokkaido	Hokusho High School	4		Mie	Hakusan High School	1
Aomori	Hachinohe Gakuin Kosei High School	9		Shiga	Ohmi High School	13
Iwate	Hanamaki Higashi High School	9		Kyoto	Ryukoku University Heian High School	34
Akita	Kanaashi Agricultural High School	6		Nara	Nara University High School	1
Yamagata	Haguro High School	2		Wakayama	Chiben Wakayama High School	23
Miyagi	Sendai Ikuei High School	27		North Osaka	Osaka Toin High School	10
Fukushima	Seiko Gakuin High School	15		South Osaka	Kindai University High School	5
Ibaraki	Tsuchiura Nihon University High School	4		East Hyogo	Hotoku Gakuen High School	15
Tochigi	Sakushin Gakuin High School	14		West Hyogo	Akashi Commercial High School	1
Gunma	Maebashi Ikuei High School	4		Okayama	Soshi Gakuen High School	2
North Saitama	Hanasaki Tokuharu High School	6		Tottori	Tottori Johoku High School	5
South Saitama	Urawa Gakuin High School	13		Hiroshima	Koryo High School	23
Yamanashi	Yamanashi Gakuin High School	8		Shimane	Masuda Higashi High School	4
East Chiba	Kisarazu Sohgoh High School	7		Yamaguchi	Shimonoseki International High School	2
West Chiba	Chuo Gakuin High School	1		Kagawa	Marugame Josai High School	5
East Tokyo	Nishogakusha High School	3		Ehime	Saibi High School	6
West Tokyo	The Third High School of Nihon University	17		Tokushima	Naruto High School	12
North Kanagawa	Keio High School	18		Kochi	Kochi Commercial High School	23
South Kanagawa	Yokohama High School	18		North Fukuoka	Orio Aishin High School	1
Nagano	Saku Chosei High School	8		South Fukuoka	Oki Gakuen High School	1
Niigata	Chuetsu High School	11		Saga	Saga Commercial High School	16
Toyama	Takaoka Commercial High School	19		Nagasaki	Sohseikan High School	2
Ishikawa	Seiryo High School	19		Kumamoto	Tokai University Kumamoto Seisho High School	2
Fukui	Tsuruga Kehi High School	8		Oita	Toin High School	2
Shizuoka	Tokoha University Kikugawa High School	6		Miyazaki	Nichinan Gakuen High School	9
East Aichi	Aichi Sangyo University Mikawa High School	2		Kagoshima	Kagoshima Jitsugyo High School	19
West Aichi	Aichi Institute of Technology Meiden High School	12		Okinawa	Konan High School	12

Results

Round	Date	Game	Winner	Score	Loser	Notes
1	August 5	Game 1	Seiryo High School	9–4	Toin High School
		Game 2	Saibi High School	5–4	Chuo Gakuin High School
		Game 3	Keio High School	3–2	Chuetsu High School
	August 6	Game 4	Kochi Commercial High School	14–12	Yamanashi Gakuin High School
		Game 5	Osaka Toin High School	3–1	Sakushin Gakuin High School
		Game 6	Oki Gakuen High School	4–2	Hokusho High School
		Game 7	Saku Chosei High School	5–4	Asahikawa University High School	Extra innings (14)
	August 7	Game 8	Takaoka Commercial High School	4–1	Saga Commercial High School
		Game 9	Ohmi High School	7–3	Chiben Wakayama High School
		Game 10	Maebashi Ikuei High School	2–0	Kindai University High School
		Game 11	Tokoha University Kikugawa High School	8–7	Masuda Higashi High School
	August 8	Game 12	Nichinan Gakuen High School	2–0	Marugame Josai High School
		Game 13	Kanaashi Agricultural High School	5–1	Kagoshima Jitsugyo High School
		Game 14	Ogaki Nihon University High School	9–3	Tokai University Kumamoto Seisho High School
		Game 15	Hanasaki Tokuharu High School	8–5	Naruto High School
	August 9	Game 16	Yokohama High School	7–0	Aichi Sangyo University Mikawa High School
		Game 17	Shimonoseki International High School	4–2	Hanamaki Higashi High School	Extra innings (10)
		Game 18	Soshi Gakuen High School	7–0	Sohseikan High School
		Game 19	Konan High School	6–2	Tsuchiura Nihon University High School
	August 10	Game 20	Kisarazu Sohgoh High School	10–1	Tsuruga Kehi High School
		Game 21	Nara University High School	4–1	Haguro High School
		Game 22	The Third High School of Nihon University	16–3	Orio Aishin High School
	August 11	Game 23	Ryukoku University Heian High School	3–2	Tottori Johoku High School
		Game 24	Hachinohe Gakuin Kosei High School	9–8	Akashi Commercial High School	Extra innings (10)
2		Game 25	Hotoku Gakuen High School	3–2	Seiko Gakuin High School
		Game 26	Aichi Institute of Technology Meiden High School	10–0	Hakusan High School
	August 12	Game 27	Nishogakusha High School	5–2	Koryo High School
		Game 28	Urawa Gakuin High School	9–0	Sendai Ikuei High School
		Game 29	Saibi High School	13–11	Seiryo High School	Extra innings (13), tiebreak
		Game 30	Kochi Commercial High School	12–6	Keio High School
	August 13	Game 31	Osaka Toin High School	10–4	Oki Gakuen High School
		Game 32	Takaoka Commercial High School	5–4	Saku Chosei High School
		Game 33	Ohmi High School	4–3	Maebashi Ikuei High School
	August 14	Game 34	Kanaashi Agricultural High School	6–3	Ogaki Nihon University High School
		Game 35	Tokoha University Kikugawa High School	3–0	Nichinan Gakuen High School
		Game 36	Yokohama High School	8–6	Hanasaki Tokuharu High School
	August 15	Game 37	Shimonoseki International High School	5–4	Soshi Gakuen High School
		Game 38	Kisarazu Sohgoh High School	7–0	Konan High School
		Game 39	The Third High School of Nihon University	8–4	Nara University High School
		Game 40	Ryukoku University Heian High School	14–1	Hachinohe Gakuin Kosei High School
3	August 16	Game 41	Hotoku Gakuen High School	7–2	Aichi Institute of Technology Meiden High School
		Game 42	Urawa Gakuin High School	6–0	Nishogakusha High School
		Game 43	Saibi High School	3–1	Kochi Commercial High School
		Game 44	Osaka Toin High School	3–1	Takaoka Commercial High School
	August 17	Game 45	Ohmi High School	9–4	Tokoha University Kikugawa High School
		Game 46	Kanaashi Agricultural High School	5–4	Yokohama High School
		Game 47	Shimonoseki International High School	4–1	Kisarazu Sohgoh High School
		Game 48	The Third High School of Nihon University	4–3	Ryukoku University Heian High School
4	August 18	Game 49	Osaka Toin High School	11–2	Urawa Gakuin High School
		Game 50	Saibi High School	3–2	Hotoku Gakuen High School
		Game 51	The Third High School of Nihon University	3–2	Shimonoseki International High School
		Game 52	Kanaashi Agricultural High School	3–2	Ohmi High School
5	August 20	Game 53	Osaka Toin High School	5–2	Saibi High School
		Game 54	Kanaashi Agricultural High School	2–1	The Third High School of Nihon University
6	August 21	Game 55	Osaka Toin High School	13–2	Kanaashi Agricultural High School

Notable Participants

• Yasunobu Okugawa, Seiryo
• Chusei Mannami, Yokohama
• Soma Uchiyama, Seiryo
• Shunsuke Nakamori, Akashi Commercial
• Rui Muneyama, Koryo
• Tatsuki Mizuno, Koryo
• Masaki Oyokawa, Yokohama
• Kaito Kozono, Hotoku Gakuen
• Kyota Fujiwara, Osaka Toin
• Kosei Yoshida, Kanaashi Agricultural

Sources

• Wiki Japan