Japan Open
Carlos Alcaraz is the 2026 Japan Open champion, defending the title after beating Jiří Lehečka 7-6(4), 6-4 in the final in Tokyo. He also won in 2025, beating Taylor Fritz 6-4, 6-4. Below is every men’s singles champion since 2009, the year the tournament joined the ATP 500 tier, with the runners-up and final scores.
Every Japan Open Winner Since 2009
| Year | Champion | Runner-up | Score |
| 2026 | Carlos Alcaraz | Jiří Lehečka | 7-6, 6-4 |
| 2025 | Carlos Alcaraz | Taylor Fritz | 6-4, 6-4 |
| 2024 | Arthur Fils | Ugo Humbert | 5-7, 7-6, 6-3 |
| 2023 | Ben Shelton | Aslan Karatsev | 7-5, 6-1 |
| 2022 | Taylor Fritz | Frances Tiafoe | 7-6, 7-6 |
| 2019 | Novak Djokovic | John Millman | 6-3, 6-2 |
| 2018 | Daniil Medvedev | Kei Nishikori | 6-2, 6-4 |
| 2017 | David Goffin | Adrian Mannarino | 6-3, 7-5 |
| 2016 | Nick Kyrgios | David Goffin | 4-6, 6-3, 7-5 |
| 2015 | Stan Wawrinka | Benoît Paire | 6-2, 6-4 |
| 2014 | Kei Nishikori | Milos Raonic | 7-6, 4-6, 6-4 |
| 2013 | Juan Martín del Potro | Milos Raonic | 7-6, 7-5 |
| 2012 | Kei Nishikori | Milos Raonic | 7-6, 3-6, 6-0 |
| 2011 | Andy Murray | Rafael Nadal | 3-6, 6-2, 6-0 |
| 2010 | Rafael Nadal | Gaël Monfils | 6-1, 7-5 |
| 2009 | Jo-Wilfried Tsonga | Mikhail Youzhny | 6-3, 6-3 |
The tournament was not held in 2020 or 2021. Kei Nishikori is the only man to win it twice in this period, in 2012 and 2014.
Japan Open Records
| Record | Holder |
| Most titles | Stefan Edberg (4) |
| Most match wins | Stefan Edberg (27) |
| Oldest champion | Ken Rosewall, 38 (1973) |
| Youngest champion | Jimmy Arias, 18 (1982) |
| Last Japanese champion | Kei Nishikori (2014) |
Records as published by the ATP.
Stefan Edberg’s four titles remain the record, along with his 27 match wins. Nishikori’s two titles make him the last home champion, and he played the 2026 event on a wildcard, which the ATP said was his final appearance in Tokyo, losing in the first round to Frances Tiafoe.
Recent Finals
2026: Alcaraz beat Jiří Lehečka 7-6(4), 6-4 to defend the title.
2025: Alcaraz beat Fritz 6-4, 6-4 for his first Tokyo title.
2024: Arthur Fils beat Ugo Humbert 5-7, 7-6, 6-3 in an all-French final.
2023: Ben Shelton beat Aslan Karatsev 7-5, 6-1 for his first ATP title.
2022: Fritz beat Frances Tiafoe 7-6, 7-6 in an all-American final, the first after the two-year break.
The 2026 Final
Alcaraz won the title for the second year running as the top seed, beating the unseeded Lehečka 7-6(4), 6-4 in the final. Alcaraz now leads their head-to-head 4-1. Tiafoe and Fritz, the 2022 finalists seeded second and third, both lost before the quarter-finals, and Nishikori lost to Tiafoe in the first round. Fils came through qualifying and reached the quarter-finals, and Shelton was not in the draw. Our Alcaraz v Lehečka final preview and Japan Open 2026 preview have the background.
FAQ
Japan Open Winners FAQs
Who won the Japan Open in 2026?
Carlos Alcaraz, who beat Jiří Lehečka 7-6(4), 6-4 in the final to defend his title.
Who won the Japan Open in 2025?
Carlos Alcaraz, who beat Taylor Fritz 6-4, 6-4 in the final.
Who has won the most Japan Open titles?
Stefan Edberg, with four. He also holds the record for match wins at the event with 27, according to the ATP.
Has a Japanese player won the Japan Open?
Yes. Kei Nishikori won the title in 2012 and 2014, and he is the last home champion.
When is the Japan Open 2026?
From 30 September to 6 October 2026 at Ariake Tennis Forest Park in Tokyo.
More Coverage
Our Japan Open 2026 preview has the draw and contenders, with the betting tips, prize money breakdown and how to watch guide alongside. Full coverage sits on our Japan Open hub, every event we follow is in the tournaments index, and the dates are in the 2026 tennis calendar. For the title match, see our Alcaraz v Lehečka final preview.