Open Era of tennis

E511605

era in tennis history

The Open Era of tennis is the modern period, beginning in 1968, when major tournaments allowed both amateur and professional players to compete together, transforming the sport into a fully professional global circuit.

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All labels observed (3)

Label	Occurrences
Open Era of tennis canonical	3
Open Era WTA Tour era	1
Open tennis era	1

How this entity was disambiguated

This entity first appeared as the object of triple T5320406 — 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: Open Era of tennis
Context triple: [Jimmy Connors, era, Open Era of tennis]

A. Grand Slam tennis tournaments
Grand Slam tennis tournaments are the four most prestigious annual events in professional tennis, comprising the Australian Open, French Open, Wimbledon, and US Open.
B. World Tennis
World Tennis was a sports promotion organization best known for staging high-profile tennis events, including the famous "Battle of the Sexes" match between Billie Jean King and Bobby Riggs.
C. Calendar Grand Slam
A Calendar Grand Slam is the rare feat in tennis of winning all four major Grand Slam tournaments within a single calendar year.
D. Miami Open tennis tournament
The Miami Open tennis tournament is a premier annual professional tennis event on the ATP and WTA tours, attracting top players from around the world to compete on hard courts in South Florida.
E. ATP Tour
The ATP Tour is the global elite men's professional tennis circuit featuring the sport's top players competing in tournaments worldwide.
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: Open Era of tennis
Target entity description: The Open Era of tennis is the modern period, beginning in 1968, when major tournaments allowed both amateur and professional players to compete together, transforming the sport into a fully professional global circuit.

A. Grand Slam tennis tournaments
Grand Slam tennis tournaments are the four most prestigious annual events in professional tennis, comprising the Australian Open, French Open, Wimbledon, and US Open.
B. World Tennis
World Tennis was a sports promotion organization best known for staging high-profile tennis events, including the famous "Battle of the Sexes" match between Billie Jean King and Bobby Riggs.
C. Calendar Grand Slam
A Calendar Grand Slam is the rare feat in tennis of winning all four major Grand Slam tournaments within a single calendar year.
D. Miami Open tennis tournament
The Miami Open tennis tournament is a premier annual professional tennis event on the ATP and WTA tours, attracting top players from around the world to compete on hard courts in South Florida.
E. ATP Tour
The ATP Tour is the global elite men's professional tennis circuit featuring the sport's top players competing in tournaments worldwide.
F. None of above. chosen

Statements (47)

Predicate	Object
instanceOf	era in tennis history ⓘ
allowed	amateur players in the same draws as professionals ⓘ professional players in Grand Slam tournaments ⓘ
alsoKnownAs	Open Era ⓘ Open era ⓘ linked to: Open Era
appliesToSport	tennis ⓘ
characterizedBy	allowing amateurs and professionals to compete together ⓘ global tournament circuit ⓘ professionalization of tennis ⓘ
distinguishedFrom	pre-Open Era tennis ⓘ
endTime	ongoing ⓘ
hasConsequence	higher earnings for top players ⓘ increased global popularity of tennis ⓘ standardization of tournament categories ⓘ statistical separation between pre-Open Era and Open Era records ⓘ unified competition level between amateurs and professionals ⓘ
hasFeature	commercial sponsorships ⓘ global tour structure ⓘ prize money for players ⓘ ranking systems for players ⓘ television broadcasting deals ⓘ
hasKeyEvent	1968 Australian Open (transition to open status completed by 1969) ⓘ 1968 French Open ⓘ linked to: French Open 1968 US Open ⓘ 1968 Wimbledon Championships ⓘ start of open tournaments in 1968 ⓘ
hasKeyOrganization	Association of Tennis Professionals ⓘ International Tennis Federation ⓘ Women’s Tennis Association ⓘ
hasKeyTournamentCategory	ATP Tour events ⓘ Davis Cup ⓘ Fed Cup/Billie Jean King Cup ⓘ linked to: Fed Cup Grand Slam tournaments ⓘ linked to: Grand Slam tennis tournaments Olympic tennis (post-1988 reintroduction) ⓘ WTA Tour events ⓘ linked to: WTA Tour
hasTemporalContext	21st century ⓘ late 20th century ⓘ
includes	Open Era ATP Tour era ⓘ Open Era Grand Slam tournaments ⓘ linked to: Grand Slam tennis tournaments Open Era WTA Tour era ⓘ linked to: Open Era of tennis
legalStatus	professional era of tennis ⓘ
precededBy	Amateur Era of tennis ⓘ
regulates	participation of professionals in major events ⓘ
startTime	1968 ⓘ
transformedInto	fully professional sport ⓘ
usedAsReferenceIn	GOAT (Greatest of All Time) debates in tennis ⓘ tennis record-keeping ⓘ

How these facts were elicited

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

Jimmy Connors → era → Open Era of tennis ⓘ

Open Era → alsoKnownAs → Open tennis era ⓘ

linked to: Open Era of tennis

Open Era of tennis → includes → Open Era WTA Tour era ⓘ

linked to: Open Era of tennis

World Championship Tennis circuit → partOf → Open Era of tennis ⓘ

Evonne Goolagong Cawley → era → Open Era of tennis ⓘ

subject linked to: Evonne

All labels observed (3)

How this entity was disambiguated Show

Statements (47)

How these facts were elicited Show

Referenced by (5)

How this entity was disambiguated

How these facts were elicited