Haruka Kaji leads 3 to 1 over 4 singles meetings since 2022. Last meeting on 18/08/2026 at W75 Kursumlijska Banja.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 18/08/2026 | W75 Kursumlijska Banja | Round 1 | clay | Kaji | 4-6 6-2 5-2 |
| 21/04/2025 | W100 Tokyo | Qualifying 1 | hard | Kaji | 6-1 7-6(7) |
| 08/04/2025 | W35 Osaka | Round 1 | hard | Kaji | 6-1 6-2 |
| 15/11/2022 | W60 Tokyo | Round 1 | indoor hard | Hosogi | 1-6 2-6 |
| clay | Kaji 1 - 0 Hosogi |
| hard | Kaji 2 - 0 Hosogi |
| indoor hard | Kaji 0 - 1 Hosogi |
| 2026 | Kaji 1 - 0 Hosogi |
| 2025 | Kaji 2 - 0 Hosogi |
| 2022 | Kaji 0 - 1 Hosogi |
170 wins, 142 losses since 2021 (54.5%).
Last matches: D D V V D
213 wins, 127 losses since 2021 (62.6%).
Last matches: D V V V V
Haruka Kaji leads 3 to 1 over 4 singles meetings since 2022.
On 18/08/2026, at W75 Kursumlijska Banja (Round 1): Haruka Kaji won 4-6 6-2 5-2.