Japan National High School Baseball Championship

E121915

annual event high school baseball tournament sporting event

The Japan National High School Baseball Championship is the premier annual high school baseball tournament in Japan, famed nationwide for its intense competition and emotional games held each summer.

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All labels observed (10)

Label	Occurrences
National High School Baseball Championship	8
Summer Koshien	3
Japan National High School Baseball Championship canonical	2
1915 Japan National Middle School Baseball Championship	1
Japan National Middle School Baseball Championship	1
Koshien	1
Natsu Koshien	1
Natsu no Koshien	1
summer Koshien tournament	1
全国高等学校野球選手権大会	1

How this entity was disambiguated

This entity first appeared as the object of triple T1061166 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Japan National High School Baseball Championship
Context triple: [Hanshin Koshien Stadium, knownFor, Japan National High School Baseball Championship]

A. NPB All-Star Game
The NPB All-Star Game is the annual midseason exhibition matchup in Nippon Professional Baseball that showcases top players from Japan’s Central and Pacific Leagues.
B. Nippon Professional Baseball
Nippon Professional Baseball is Japan’s highest-level professional baseball organization, comprising multiple teams in its Central and Pacific Leagues.
C. Hanshin Koshien Stadium
Hanshin Koshien Stadium is a historic baseball stadium in Nishinomiya, Japan, best known for hosting Japan’s National High School Baseball Championship and serving as the iconic home of the Hanshin Tigers.
D. Hanshin–Yomiuri rivalry
The Hanshin–Yomiuri rivalry is a famous and intense Japanese professional baseball feud between the Hanshin Tigers and the Yomiuri Giants, often likened to the Yankees–Red Sox rivalry in Major League Baseball.
E. Pacific League
The Pacific League is one of the two professional baseball leagues that make up Nippon Professional Baseball in Japan, featuring teams primarily based in the western and northern regions of the country.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Japan National High School Baseball Championship
Target entity description: The Japan National High School Baseball Championship is the premier annual high school baseball tournament in Japan, famed nationwide for its intense competition and emotional games held each summer.

A. NPB All-Star Game
The NPB All-Star Game is the annual midseason exhibition matchup in Nippon Professional Baseball that showcases top players from Japan’s Central and Pacific Leagues.
B. Nippon Professional Baseball
Nippon Professional Baseball is Japan’s highest-level professional baseball organization, comprising multiple teams in its Central and Pacific Leagues.
C. Hanshin Koshien Stadium
Hanshin Koshien Stadium is a historic baseball stadium in Nishinomiya, Japan, best known for hosting Japan’s National High School Baseball Championship and serving as the iconic home of the Hanshin Tigers.
D. Hanshin–Yomiuri rivalry
The Hanshin–Yomiuri rivalry is a famous and intense Japanese professional baseball feud between the Hanshin Tigers and the Yomiuri Giants, often likened to the Yankees–Red Sox rivalry in Major League Baseball.
E. Pacific League
The Pacific League is one of the two professional baseball leagues that make up Nippon Professional Baseball in Japan, featuring teams primarily based in the western and northern regions of the country.
F. None of above. chosen

Statements (47)

Predicate	Object
instanceOf	annual event ⓘ high school baseball tournament ⓘ sporting event ⓘ
alsoKnownAs	Natsu Koshien ⓘ linked to: Japan National High School Baseball Championship Summer Koshien ⓘ linked to: Japan National High School Baseball Championship Zenkoku Kōtō Gakkō Yakyū Senshuken Taikai ⓘ
associatedEmotion	youthful drama and tears ⓘ
attendanceType	large in-stadium crowds ⓘ
broadcaster	Asahi Broadcasting Corporation ⓘ NHK ⓘ
broadcastFormat	live game coverage ⓘ
country	Japan ⓘ
culturalImpact	major summer sporting event in Japan ⓘ
eligibility	Japanese high school baseball teams ⓘ
established	1915 ⓘ
frequency	annual ⓘ
gender	boys ⓘ
governedByRules	high school baseball rules in Japan ⓘ
governingBody	Japan High School Baseball Federation ⓘ
historicalName	Japan National Middle School Baseball Championship ⓘ linked to: Japan National High School Baseball Championship
inauguralEvent	1915 Japan National Middle School Baseball Championship ⓘ linked to: Japan National High School Baseball Championship
influenced	popularity of baseball in Japan ⓘ
language	Japanese ⓘ
levelOfCompetition	high school ⓘ
location	Nishinomiya, Hyōgo Prefecture, Japan ⓘ
mediaCoverage	national television in Japan ⓘ
notableFeature	high media attention and emotional games ⓘ participation of prefectural champion schools ⓘ single-elimination format ⓘ
numberOfParticipatingTeams	49 ⓘ
openingCeremonyFeature	parade of participating schools ⓘ
organizer	Asahi Shimbun ⓘ Japan High School Baseball Federation ⓘ
participationScope	all 47 prefectures of Japan ⓘ
producedNotableAlumni	many Major League Baseball players from Japan ⓘ many Nippon Professional Baseball players ⓘ
qualificationMethod	regional qualifying tournaments ⓘ
relatedCompetition	National High School Baseball Invitational Tournament ⓘ Spring Koshien ⓘ linked to: National High School Baseball Invitational Tournament
season	summer ⓘ
significance	premier high school baseball tournament in Japan ⓘ
sport	baseball ⓘ
surface	natural grass outfield and dirt infield ⓘ
symbol	Koshien Stadium ⓘ linked to: Hanshin Koshien Stadium
ticketDemand	high ⓘ
typicalStartTime	August ⓘ
venue	Hanshin Koshien Stadium ⓘ

How these facts were elicited