| Name | F. Kozaki |
| Country | Japan |
| DOB | 27.06.2001 |
| Season | Type | Rank | Titles | Won | Lost | Hard Won | Hard Lost | Clay Won | Clay Lost | Grass Won | Grass Lost |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | doubles | 204 | 3 | 37 | 19 | 10 | 7 | 25 | 11 | 2 | 1 |
| 2021 | doubles | 325 | 1 | 25 | 16 | 10 | 7 | 15 | 9 | ||
| 2020 | doubles | 548 | 0 | 4 | 3 | 4 | 3 | ||||
| 2019 | doubles | 555 | 0 | 3 | 2 | 1 | 1 | 2 | 1 | ||
| 2022 | singles | 859 | 0 | 1 | 11 | 0 | 4 | 0 | 6 | 1 | 1 |
| 2021 | singles | 657 | 0 | 5 | 12 | 2 | 7 | 3 | 5 | ||
| 2020 | singles | 720 | 0 | 2 | 2 | 2 | 2 | ||||
| 2019 | singles | 729 | 0 | 4 | 4 | 0 | 2 | 1 | 1 | 3 | 1 |
| 2018 | singles | 0 | 1 | 1 | 1 | 1 | |||||
| 2023 | doubles | 495 | 0 | 20 | 19 | 15 | 14 | 0 | 2 | 5 | 3 |
| 2023 | singles | 716 | 0 | 9 | 15 | 8 | 11 | 0 | 2 | 1 | 2 |
| 2024 | doubles | 390 | 2 | 25 | 17 | 11 | 9 | 13 | 7 | 1 | 1 |
| 2024 | singles | 617 | 0 | 16 | 17 | 12 | 10 | 3 | 6 | 1 | 1 |
| 2025 | doubles | 412 | 0 | 0 | 3 | 0 | 3 | ||||
| 2025 | singles | 590 | 0 | 1 | 2 | 1 | 2 |
| Name | Season | Type | Surface | Prize |
|---|---|---|---|---|
| W25 Osijek (ITF) | 2022 | doubles | clay | $25,000 |
| W25 Antalya 3 (ITF) | 2022 | doubles | clay | $25,000 |
| W25 Radom (ITF) | 2021 | doubles | clay | $25,000 |
| W25 Nanao (ITF) | 2022 | doubles | hard | $25,000 |
| W15 Antalya 2 (ITF) | 2024 | doubles | clay | $15,000 |
| W35 Braunschweig (ITF) | 2024 | doubles | clay | $25,000 |
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