Madrid 
Saint-Malo 
Charleston 
San Miguel de Tucuman 
Mauthausen 
Porto Alegre 
Guangzhou 
Ostrava 
Rome 1 
Abidjan 2 
Gwangju Challenger 
Davis Сup Group I Tennis. Played Kaji Haruka. Season 2025
Country 
Japan. Ranking WTA 227.
Japan. Ranking WTA 227.| W100 Tokyo | ||||
|---|---|---|---|---|
| 24.04.2025 | Second round | Marino Rebecca — Kaji Haruka | 2:0 (6:3, 6:4) |
|
| 23.04.2025 | First round | Kaji Haruka — Ma Yexin | 2:0 (6:2, 6:3) |
|
 WTA - Moorilla Hobart International | ||||
| 04.01.2025 | Qualifications - 1st round | Zarazua Renata — Kaji Haruka | 2:0 (6:1, 7:6) |
|
 WTA - ASB Classic | ||||
| 28.12.2024 | Qualifications - 1st round | Stefanini Lucrezia — Kaji Haruka | 2:0 (6:1, 6:3) |
|