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Lukáš Klein

Slovak tennis player

Correspondence, annotated notebooks and portrait silhouettes prepared for research
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Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 21, 2026
Entity authorityQ105477017
Source-derived summary

Lukáš Klein (born 22 March 1998) is a Slovak professional tennis player. Klein has a career-high ATP singles ranking of world No. 109, achieved on 5 August 2024. He also has a career-high doubles ranking of No. 240, achieved on 5 April 2021. He is currently the No. 2 Slovak tennis player in singles.

Klein has reached 15 career singles finals, with a record of 9 wins and 6 losses, including 3 ATP Challenger titles. Additionally, he has reached 11 career doubles finals, with a record of 5 wins and 6 losses, including a 1–3 result in Challenger finals.

Career

2020–21: ATP & Top 250 & Olympics debuts

Klein won his first Challenger title at the 2021 Challenger La Manche with compatriot Alex Molčan 1–6, 7–5, [10–6].

Editorial summary

Begin with the source’s own compact description: “Lukáš Klein” is slovak tennis player. The dossier treats that line as a proposition to test through Lukáš, Klein and Slovak, not as a finished interpretation.

Editorial reviewA useful biographical orientation record, particularly for establishing names, roles and a first chronology. The current lead gives the account dated anchors—1998, 2024, 2021, 2020—that can be checked directly. The selected authority fields contribute no independent date. For this dossier, Lukáš, Klein and Slovak is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “slovak tennis player” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

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 Sep 21, 2026. The linked authority identifier is Q105477017. The first chronological checks are 1998, 2024, 2021 and 2020.

Critical limits

Public reputation and documentary evidence do not always develop together; absence from a summary is not evidence of historical absence. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. 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 “Lukáš Klein”, its source revision and the description used here.
  2. Expand the search: follow Lukáš Klein primary sources, Lukáš Klein archive and Lukáš 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 “Lukáš Klein”?
  2. Which claims depend on a single source or contested interpretation?
  3. Which primary records establish identity, chronology and institutional ties?
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Source & attribution

This entry incorporates text from Lukáš Klein” 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.