Boyoung Jeong leads 3 to 0 over 3 singles meetings since 2023. Last meeting on 05/03/2026 at W15 Maanshan.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 05/03/2026 | W15 Maanshan | Round 2 | indoor hard | Jeong | 6-3 6-2 |
| 27/11/2024 | W15 Monastir | Round 1 | hard | Jeong | 6-2 6-2 |
| 01/08/2023 | W15 Sapporo | Round 1 | hard | Jeong | 6-3 6-0 |
| indoor hard | Jeong 1 - 0 Koyama |
| hard | Jeong 2 - 0 Koyama |
| 2026 | Jeong 1 - 0 Koyama |
| 2024 | Jeong 1 - 0 Koyama |
| 2023 | Jeong 1 - 0 Koyama |
112 wins, 98 losses since 2021 (53.3%).
Last matches: V V D V D
47 wins, 56 losses since 2021 (45.6%).
Last matches: D D V V V
Boyoung Jeong leads 3 to 0 over 3 singles meetings since 2023.
On 05/03/2026, at W15 Maanshan (Round 2): Boyoung Jeong won 6-3 6-2.