| Japan Women's Open Tennis | ||
|---|---|---|
| SINGOLARE FEMMINILE |
HP Open
| OSAKA | ||
|---|---|---|
| 2009 | Samantha STOSUR (AUS) | batte Francesca SCHIAVONE (ITA) 75 61 |
| 2010 | Tamarine TANASUGARN (THA) | batte Kimiko DATE-KRUMM (JPN) 75 67 61 |
| 2011 | Marion BARTOLI (FRA) | batte Samantha STOSUR (AUS) 63 61 |
| 2012 | Heather WATSON (GBR) | batte Kai-chen CHANG (TPE) 75 57 76 |
| 2013 | Samantha STOSUR (AUS) | batte Eugenie BOUCHARD (CAN) 36 75 62 |
Japan Women's Open
| 2014 | Samantha STOSUR (AUS) | batte Zarina DIYAS (KAZ) 76 63 |
|---|---|---|
| TOKYO | ||
| 2015 | Yanina WICKMAYER (BEL) | batte Magda LINETTE (POL) 46 63 63 |
Hashimoto Sogyo Japan Women's Open
| 2016 | Christina McHALE (USA) | batte Katerina SINIAKOVA (CZE) |
| 2017 | Zarina DIYAS (KAZ) | batte Miyu KATO (JPN) 75 61 |
Hana-cupid Japan Women's Open
| HIROSHIMA | ||
| 2018 | HSIEH Su-wei (TPE) | batte Amanda ANISIMOVA (USA) 62 62 |
| 2019 | Nao HIBINO (JPN) | batte Misaki DOI (JPN) 63 62 |
| 2020 | cancellato per l'emergenza Coronavirus | |
| 2021 | cancellato per l'emergenza Coronavirus | |
| 2022 | cancellato per difficoltà economiche | |
Kinoshita Group Japan Open Tennis Championships
| OSAKA | ||
| 2023 | Ashlyn KRUEGER (USA) | batte ZHU Lin (CHN) 63 76 |
| 2024 | Suzan LAMENS (OLA) | batte Kimberly BIRRELL (AUS) 60 64 |
| 2025 | Leylah FERNANDEZ (CAN) | batte Tereza VALENTOVA (CZE) 60 57 63 |