Most Titles
Open Era singles titles.
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Stefan Edberg 4 titles
Ken Rosewall won the 1973 Japan Open, defeating John Newcombe 6-1 6-4 in the final. The ATP 250 event was played October 8–14 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.
44 recorded singles results
| Winner | Score | Loser | H2H | Match Data | Date | Round |
|---|---|---|---|---|---|---|
| F (1) | ||||||
| Ken Rosewall DEF | 6-1 6-4 | John Newcombe | H2H | Match data | Oct 14, 1973* | F |
| SF (2) | ||||||
| Ken Rosewall DEF | 6-4 7-5 | Cliff Drysdale | H2H | Match data | Oct 13, 1973* | SF |
| John Newcombe | 6-0 6-3 | Hans Jurgen Pohmann | H2H | Match data | Oct 13, 1973* | SF |
| QF (4) | ||||||
| Cliff Drysdale | 6-2 6-2 | Jeff Borowiak | H2H | Match data | Oct 13, 1973* | QF |
| Hans Jurgen Pohmann | 7-6 6-3 | Brian Gottfried | H2H | Match data | Oct 13, 1973* | QF |
| John Newcombe | 7-6 6-3 | Colin Dibley | H2H | Match data | Oct 13, 1973* | QF |
| Ken Rosewall DEF | 6-3 6-1 | Kim Warwick | H2H | Match data | Oct 13, 1973* | QF |
| R16 (8) | ||||||
| Hans Jurgen Pohmann | 6-2 6-2 | Charlie Pasarell | H2H | Match data | Oct 12, 1973* | R16 |
| Brian Gottfried | 6-3 7-6 | Zeljko Franulovic | H2H | Match data | Oct 12, 1973* | R16 |
| Cliff Drysdale | 6-7 6-2 6-2 | Raul Ramirez | H2H | Match data | Oct 12, 1973* | R16 |
| Kim Warwick | 3-6 6-4 6-2 | Jurgen Fassbender | H2H | Match data | Oct 12, 1973* | R16 Upset: winner had a 16 percent pre-match Elo win probability. |
| Colin Dibley | 6-3 6-4 | Milan Holecek | H2H | Match data | Oct 12, 1973* | R16 |
| Jeff Borowiak | 6-3 6-4 | Tom Gorman | H2H | Match data | Oct 12, 1973* | R16 |
| John Newcombe | 6-3 5-7 6-2 | Geoff Masters | H2H | Match data | Oct 12, 1973* | R16 |
| Ken Rosewall DEF | 6-1 6-0 | Toshiro Sakai | — | Match data | Oct 12, 1973* | R16 |
| R32 (16) | ||||||
| Toshiro Sakai | 6-3 6-7 7-5 | Allan Stone | — | Match data | Oct 11, 1973* | R32 |
| Zeljko Franulovic | 6-2 4-6 6-0 | Ross Case | H2H | Match data | Oct 11, 1973* | R32 |
| Milan Holecek | 6-0 6-0 | Kiyoshi Tanabe | H2H | Match data | Oct 11, 1973* | R32 |
| Raul Ramirez | 6-4 6-2 | Syd Ball | H2H | Match data | Oct 11, 1973* | R32 |
| Hans Jurgen Pohmann | 6-7 6-2 7-5 | Vijay Amritraj | H2H | Match data | Oct 11, 1973* | R32 |
| Tom Gorman | 6-2 0-6 7-6 | Kenichi Hirai | H2H | Match data | Oct 11, 1973* | R32 |
| John Newcombe | 6-7 7-6 6-4 | Bob Giltinan | H2H | Match data | Oct 11, 1973* | R32 |
| Brian Gottfried | 6-7 7-6 6-0 | Sherwood Stewart | — | Match data | Oct 11, 1973* | R32 |
| Kim Warwick | 6-3 7-5 | Paul Gerken | H2H | Match data | Oct 11, 1973* | R32 Upset: winner had a 16 percent pre-match Elo win probability. |
| Geoff Masters | 6-4 6-2 | Ian Fletcher | H2H | Match data | Oct 11, 1973* | R32 |
| Jeff Borowiak | 6-2 7-6 | Mal Anderson | H2H | Match data | Oct 11, 1973* | R32 Upset: winner had a 18 percent pre-match Elo win probability. |
| Ken Rosewall DEF | 6-1 6-0 | Dick Dell | — | Match data | Oct 11, 1973* | R32 |
| Jurgen Fassbender | 3-6 6-3 6-3 | Mike Estep | H2H | Match data | Oct 11, 1973* | R32 |
| Charlie Pasarell | 6-3 6-4 | William Brown | H2H | Match data | Oct 11, 1973* | R32 |
| Cliff Drysdale | 4-6 6-3 6-0 | Jeff Simpson | H2H | Match data | Oct 11, 1973* | R32 |
| Colin Dibley | 6-3 7-6 | Bill Lloyd | — | Match data | Oct 11, 1973* | R32 |
| R64 (13) | ||||||
| Sherwood Stewart | 6-2 6-3 | Frew Mcmillan | — | Match data | Oct 10, 1973* | R64 |
| Milan Holecek | 7-6 2-6 6-3 | Jun Kuki | H2H | Match data | Oct 10, 1973* | R64 |
| William Brown | 7-5 2-6 7-6 | Jun Kamiwazumi | H2H | Match data | Oct 10, 1973* | R64 |
| Hans Jurgen Pohmann | 6-2 6-2 | Shinya Tanaka | H2H | Match data | Oct 10, 1973* | R64 |
| Jeff Borowiak | 6-2 6-3 | Marcello Lara | H2H | Match data | Oct 10, 1973* | R64 |
| Zeljko Franulovic | 6-2 7-6 | John Bartlett | H2H | Match data | Oct 10, 1973* | R64 |
| Kim Warwick | 6-3 6-1 | Keishiro Yanagi | H2H | Match data | Oct 10, 1973* | R64 |
| Kenichi Hirai | 6-3 7-5 | Felix Ponte | H2H | Match data | Oct 10, 1973* | R64 |
| Ian Fletcher | 6-4 6-1 | Sachio Kato | — | Match data | Oct 10, 1973* | R64 |
| Syd Ball | 6-2 4-6 6-3 | Jim Mcmanus | H2H | Match data | Oct 10, 1973* | R64 |
| Mike Estep | 6-2 6-2 | Paul Kronk | — | Match data | Oct 10, 1973* | R64 |
| Bob Giltinan | 6-2 6-4 | Eddie Cruz | H2H | Match data | Oct 10, 1973* | R64 |
| Jeff Simpson | 6-1 6-1 | Anand Amritraj | — | Match data | Oct 10, 1973* | 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 →