Dayeon Back - WTA #321 (2025-10-06)
| wtatennis.com | WTA | Country |  South Korea |
| Wikipedia | Eng / Fr | Birth | - |
| Career best ranking | Never ranked | Résidence |  Unknown |
| Height | - | ||
| Weight | - |
| Conditions | W | D | ratio |
|---|---|---|---|
| Hard (out.) | 0 | 2 | 0.00% |
| TOTAL | 0 | 2 | 0.00% |
| # | Date | Categ | Tournament | Conditions | Round | #Rank | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025-09-15 | 500 | Seoul Open WTA | Hard (out.) | 16e | #322 |  #21 Beatriz Haddad Maia | 6/4 6/3 | |
| 2 | 2024-09-16 | 500 | Seoul Open WTA | Hard (out.) | 16e | #344 |  #258 Carol Zhao | 6/4 6/1 |
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