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 | 3-6 2-4 |
| 27/11/2024 | W15 Monastir | Round 1 | hard | Jeong | 2-6 2-6 |
| 01/08/2023 | W15 Sapporo | Round 1 | hard | Jeong | 3-6 0-6 |
| 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 |
109 wins, 95 losses since 2021 (53.4%).
Last matches: D V D D D
43 wins, 50 losses since 2021 (46.2%).
Last matches: D V D D 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 3-6 2-4.