Most Titles
Open Era singles titles.
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Stefan Edberg 4 titles
Raul Ramirez won the 1975 Japan Open, defeating Manuel Orantes 6-4 7-5 6-3 in the final. The ATP 250 event was played November 2–8 on clay 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.
47 recorded singles results
| Winner | Score | Loser | H2H | Match Data | Date | Round |
|---|---|---|---|---|---|---|
| F (1) | ||||||
| Raul Ramirez | 6-4 7-5 6-3 | Manuel Orantes | H2H | Match data | Nov 8, 1975* | F |
| SF (2) | ||||||
| Raul Ramirez | 6-4 1-6 6-3 | Ken Rosewall 2× CH | H2H | Match data | Nov 7, 1975* | SF |
| Manuel Orantes | 6-1 6-4 | Tony Roche | H2H | Match data | Nov 7, 1975* | SF |
| QF (4) | ||||||
| Ken Rosewall 2× CH | 6-4 6-1 | Hans Jurgen Pohmann | H2H | Match data | Nov 7, 1975* | QF |
| Tony Roche | 7-6 6-3 | Dick Crealy | H2H | Match data | Nov 7, 1975* | QF |
| Raul Ramirez | 6-3 1-6 6-3 | John Newcombe | H2H | Match data | Nov 7, 1975* | QF |
| Manuel Orantes | 6-2 6-4 | Harold Solomon | H2H | Match data | Nov 7, 1975* | QF |
| R16 (8) | ||||||
| Raul Ramirez | 6-4 6-3 | Ross Case | H2H | Match data | Nov 6, 1975* | R16 |
| Tony Roche | 6-2 4-1 (ret.) | Kim Warwick | H2H | Match data | Nov 6, 1975* | R16 |
| Ken Rosewall 2× CH | 6-2 6-3 | Rolf Thung | H2H | Match data | Nov 6, 1975* | R16 |
| Harold Solomon | 6-4 6-3 | Jose Higueras | H2H | Match data | Nov 6, 1975* | R16 |
| Hans Jurgen Pohmann | 6-1 6-3 | Jim Delaney | H2H | Match data | Nov 6, 1975* | R16 |
| Manuel Orantes | 6-0 6-1 | Bob Carmichael | H2H | Match data | Nov 6, 1975* | R16 |
| Dick Crealy | 6-3 2-6 6-1 | Brian Gottfried | H2H | Match data | Nov 6, 1975* | R16 |
| John Newcombe | 6-4 6-1 | Yuji Tezuka | H2H | Match data | Nov 6, 1975* | R16 |
| R32 (16) | ||||||
| Ross Case | 4-6 6-3 6-0 | Nicola Spear | H2H | Match data | Nov 5, 1975* | R32 |
| Tony Roche | 3-1 (ret.) | Jurgen Fassbender | H2H | Match data | Nov 5, 1975* | R32 |
| Manuel Orantes | 6-0 6-2 | Russell Simpson | H2H | Match data | Nov 5, 1975* | R32 |
| Brian Gottfried | 6-4 6-2 | Mike Cahill | H2H | Match data | Nov 5, 1975* | R32 |
| John Newcombe | 6-3 6-4 | Cliff Letcher | — | Match data | Nov 5, 1975* | R32 |
| Kim Warwick | 7-6 2-6 6-4 | Jun Kamiwazumi | H2H | Match data | Nov 5, 1975* | R32 |
| Ken Rosewall 2× CH | 6-1 7-5 | John Whitlinger | H2H | Match data | Nov 5, 1975* | R32 |
| Rolf Thung | 6-4 7-6 | Jun Kuki | H2H | Match data | Nov 5, 1975* | R32 |
| Harold Solomon | 0-6 6-0 6-1 | Corrado Barazzutti | H2H | Match data | Nov 5, 1975* | R32 |
| Bob Carmichael | 3-6 7-6 7-5 | Sachio Kato | — | Match data | Nov 5, 1975* | R32 |
| Jose Higueras | 6-3 6-2 | Syd Ball | H2H | Match data | Nov 5, 1975* | R32 |
| Raul Ramirez | 6-7 6-1 6-2 | Ernie Ewert | H2H | Match data | Nov 5, 1975* | R32 |
| Hans Jurgen Pohmann | 6-2 6-7 6-1 | Geoff Masters | H2H | Match data | Nov 5, 1975* | R32 |
| Jim Delaney | 4-0 (ret.) | Ray Ruffels | H2H | Match data | Nov 5, 1975* | R32 |
| Yuji Tezuka | 7-5 6-4 | Charlie Owens | H2H | Match data | Nov 5, 1975* | R32 |
| Dick Crealy | 6-1 6-2 | Tom Kreiss | H2H | Match data | Nov 5, 1975* | R32 |
| R64 (16) | ||||||
| Bob Carmichael | 7-6 6-3 | Henry Bunis | H2H | Match data | Nov 4, 1975* | R64 |
| Ross Case | 6-2 6-1 | Alvin Gardiner | H2H | Match data | Nov 4, 1975* | R64 |
| Tony Roche | 6-4 6-1 | Dick Dell | — | Match data | Nov 4, 1975* | R64 |
| Russell Simpson | 6-2 6-2 | Brian Fairlie | H2H | Match data | Nov 4, 1975* | R64 Upset: winner had a 10 percent pre-match Elo win probability. |
| Charlie Owens | 6-3 2-6 6-0 | Paul Kronk | — | Match data | Nov 4, 1975* | R64 |
| Jim Delaney | 2-6 6-3 6-4 | John Bartlett | H2H | Match data | Nov 4, 1975* | R64 |
| John Newcombe | 6-3 6-3 | Tom Gorman | H2H | Match data | Nov 4, 1975* | R64 |
| Geoff Masters | 6-3 1-6 6-3 | Bob Lutz | H2H | Match data | Nov 4, 1975* | R64 |
| Raul Ramirez | 7-5 4-6 6-4 | Juan Gisbert | — | Match data | Nov 4, 1975* | R64 |
| Jose Higueras | 6-1 6-3 | Robert Rheinberger | H2H | Match data | Nov 4, 1975* | R64 |
| Jun Kuki | 6-1 6-3 | Kiyoshi Tanabe | H2H | Match data | Nov 4, 1975* | R64 |
| Jun Kamiwazumi | 6-1 6-3 | Rick Fisher | H2H | Match data | Nov 4, 1975* | R64 |
| Mike Cahill | 6-1 6-3 | Toshiro Sakai | — | Match data | Nov 4, 1975* | R64 |
| Harold Solomon | 6-3 6-3 | Kenichi Hirai | H2H | Match data | Nov 4, 1975* | R64 |
| Ken Rosewall 2× CH | 6-0 6-4 | Chris Kachel | H2H | Match data | Nov 4, 1975* | R64 |
| Tom Kreiss | 1-6 6-4 6-2 | Anand Amritraj | — | Match data | Nov 4, 1975* | R64 |
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 →