Hiroki Otsu
Japanese racing driver
Hiroki Otsu (大津弘樹, Ōtsu Hiroki; born 25 May 1994) is a Japanese racing driver who is currently competing in Super GT with ARTA, and in Super Formula for TCS Nakajima Racing as a substitute driver for Naoki Yamamoto.
Career
Early career
Otsu started his motorsport career in karting in 2007, in which he remained active until 2010. In 2013, he switched to formula racing to participate in the Suzuka Circuit Racing School Formula, which is only intended to train drivers. In 2014, he competed in the JAP Japanese Formula 4 Championship and finished fifth in the FC class. In 2015, he made the move to the new Japanese Formula 4 Championship, where he raced as a Honda protégé for the Honda Formula Dream Project team. He took five podiums and finished third in the final standings with 108 points, behind Sho Tsuboi and Tadasuke Makino.
Japanese Formula 3
In 2016, Otsu made the move to the Japanese Formula 3 Championship, racing for the HFDP Racing team. He achieved five points finishes, with fifth place on the Okayama International Circuit as the best result. As a result, he finished tenth in the final standings with six points. In 2017, he made the move to the TODA Racing team within the class.
The public source identifies “Hiroki Otsu” as japanese racing driver. This brief keeps that definition visible, then builds a research path around Hiroki, Otsu and Japanese.
Why this record matters
A short description can identify a subject without explaining its stakes. For “Hiroki Otsu”, the useful work is to connect “japanese racing driver” to the records capable of establishing context and consequence.
Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Jul 14, 2026. The linked authority identifier is Q30924164. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1994, 2007, 2010 and 2013.
Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. 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
Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.
- Subject orientation
- Search vocabulary
- Locating named sources
The closest primary source, responsible institution and strongest cited specialist reference.
Three-step research path
- Establish the record: confirm the title “Hiroki Otsu”, its source revision and the description used here.
- Expand the search: follow Hiroki Otsu primary sources, Hiroki Otsu archive and Hiroki research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Hiroki Otsu”?
- Which cited source is closest to the event, object or claim?
- Which institution is responsible for the underlying evidence?
Search terms from this dossier
This entry incorporates text from “Hiroki Otsu” 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.