Subject Analysis
Japan
Career
1974 – 2025
Best year
2019
Total points
29
Best results
2× 1. Australian open
All-time rank
#23
Points distribution
Disciplines
Contests
Categories
| Year | Contest | Discipline | Name | Position | Points |
|---|---|---|---|---|---|
| 2025 | Billie Jean King Cup | Teams | – | 5 | 1 |
| 2024 | Billie Jean King Cup | Teams | – | 5 | 1 |
| 2021 | Australian open | Grand Slam | Naomi Osaka | 1 | 3 |
| 2020 | US open | Grand Slam | Naomi Osaka | 1 | 3 |
| 2020 | Ranking WTA | Others | Naomi Osaka | 3 | 1 |
| 2019 | Australian open | Grand Slam | Naomi Osaka | 1 | 3 |
| 2019 | Ranking WTA | Others | Naomi Osaka | 3 | 1 |
| 2019 | China Open | WTA 1000 | Naomi Osaka | 1 | 1 |
| 2018 | Indian Wells Open | WTA 1000 | Naomi Osaka | 1 | 1 |
| 2018 | US open | Grand Slam | Naomi Osaka | 1 | 3 |
| 2013 | Billie Jean King Cup | Teams | – | 5 | 1 |
| 2007 | Billie Jean King Cup | Teams | – | 5 | 1 |
| 1997 | Billie Jean King Cup | Teams | – | 5 | 1 |
| 1996 | Billie Jean King Cup | Teams | – | 3 | 3 |
| 1995 | Pan Pacific Open | Others | Kimiko Date | 1 | 1 |
| 1995 | Billie Jean King Cup | Teams | – | 5 | 1 |
| 1994 | Billie Jean King Cup | Teams | – | 5 | 1 |
| 1993 | Internationaux de Strasbourg | Others | Naoko Sawamatsu | 1 | 1 |
| 1974 | Pan Pacific Open | Others | Kazuko Sawamatsu | 1 | 1 |