Most Titles
Open Era singles titles.
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Stefan Edberg 4 titles
Scott Davis won the 1985 Japan Open, defeating Jimmy Arias 6-1 7-6 in the final. The ATP 250 event was played October 14–20 on hard courts in Tokyo, Japan.
The Japan Open is Tokyo's ATP tournament and is played on hard courts at Ariake Tennis Park.
Full tournament history →Historical categories use documented modern equivalents where available; unresolved editions keep their recorded category. Mapping details.
The leading Open Era records for Japan Open.
Open Era singles titles.
Champion or runner-up finishes.
Recorded main-draw match wins.
Editions with a recorded main-draw match.
View the full Japan Open record book →
Open Era main-draw singles records from 1968 onward. Ranking records begin where reliable entering rankings are available.
| Winner | Score | Runner-up | H2H | Match Data | Season | Surface |
|---|---|---|---|---|---|---|
| Carlos Alcaraz | 7-6(4) 6-4 | Jiri Lehecka | H2H | Match data | 2026 | Hard |
| Carlos Alcaraz | 6-4 6-4 | Taylor Fritz | H2H | Match data | 2025 | Hard |
| Arthur Fils | 5-7 7-6(6) 6-3 | Ugo Humbert | H2H | Match data | 2024 | Hard |
| Ben Shelton | 7-5 6-1 | Aslan Karatsev | H2H | Match data | 2023 | Hard |
| Taylor Fritz | 7-6(3) 7-6(2) | Frances Tiafoe | H2H | Match data | 2022 | Hard |
View full tournament history →