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Yu Igarashi

Japanese badminton player

Correspondence, annotated notebooks and portrait silhouettes prepared for research
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Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJul 2, 2026
Entity authorityQ28722384
Source-derived summary

Yu Igarashi (五十嵐 優, Igarashi Yū; born 15 May 1995) is a Japanese badminton player. He won his first international title at the 2017 Osaka International tournament.

Personal life

On 28 August 2024, he announced his marriage to national badminton player, Arisa Higashino.

Achievements

Summer Universiade

Men's singles

BWF World Tour (1 runner-up)

The BWF World Tour, which was announced on 19 March 2017 and implemented in 2018, is a series of elite badminton tournaments sanctioned by the Badminton World Federation (BWF). The BWF World Tour is divided into levels of World Tour Finals, Super 1000, Super 750, Super 500, Super 300, and the BWF Tour Super 100.

Men's singles

BWF Grand Prix (1 runner-up)

The BWF Grand Prix has two levels, the BWF Grand Prix and Grand Prix Gold. It is a series of badminton tournaments sanctioned by the Badminton World Federation (BWF) since 2007.

Editorial summary

The public source identifies “Yu Igarashi” as japanese badminton player. This brief keeps that definition visible, then builds a research path around Igarashi, Japanese and badminton.

Editorial reviewA productive starting point for separating a subject’s documented career from later reputation and commemoration. The current lead gives the account dated anchors—1995, 2017, 2024, 2018—that can be checked directly. The linked authority record independently contributes the date 1995-05-15. Its value is orientation rather than verdict, with Igarashi, Japanese and badminton providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “Yu Igarashi”, the useful work is to connect “japanese badminton player” to the records capable of establishing context and consequence.

Evidence profile

The entry’s evidential value lies in the named roles, institutions and publications that can be tested against primary documentation. The source revision retrieved here is dated Jul 2, 2026. The linked authority identifier is Q28722384. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1995, 2017, 2024 and 2018.

Critical limits

Later biographies can compress uncertainty and repeat inherited reputations, so apparently settled claims may still require comparison. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Read biographical claims against dates, named institutions and the cited references. Distinguish a subject’s later reputation from evidence produced during their lifetime.

Best used for
  • Establishing names and roles
  • Building a first chronology
  • Locating cited institutions
Verify next

Personal papers, civil or court records, institutional files and the scholarship cited by the source.

Three-step research path

  1. Establish the record: confirm the title “Yu Igarashi”, its source revision and the description used here.
  2. Expand the search: follow Yu Igarashi primary sources, Yu Igarashi archive and Igarashi research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Yu Igarashi”?
  2. Which claims depend on a single source or contested interpretation?
  3. How has the subject’s reputation changed across later accounts?
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Source & attribution

This entry incorporates text from Yu Igarashi” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.