
WTA #259 · South Korea · 24 years
| Season | Type | Rank | Titles | W-L | Hard | Clay | Grass |
|---|---|---|---|---|---|---|---|
| 2026 | Singles | 332 | 0 | 18-7 | 13-7 | - | - |
| 2025 | Singles | 307 | 2 | 47-25 | 44-23 | - | - |
| 2025 | Doubles | 283 | 4 | 37-21 | 37-21 | - | - |
| 2024 | Singles | 316 | 4 | 50-18 | 47-16 | 3-1 | - |
| 2024 | Doubles | 464 | 3 | 25-15 | 25-15 | - | - |
| 2023 | Singles | 457 | 2 | 39-14 | 37-14 | - | - |
| 2023 | Doubles | 815 | 0 | 19-19 | 19-17 | - | - |
| 2022 | Singles | 609 | 1 | 18-10 | 18-10 | - | - |
| 2022 | Doubles | 647 | 1 | 19-10 | 19-10 | - | - |
| 2021 | Singles | 1021 | 0 | 5-8 | 2-4 | 3-4 | - |
| 2021 | Doubles | 1013 | 2 | 12-5 | 1-3 | 11-2 | - |
| 2020 | Singles | 1009 | 0 | 1-1 | 1-1 | - | - |
| 2020 | Doubles | - | 0 | 1-1 | 1-1 | - | - |
Dayeon Back (from South Korea, aged 24).