WTA · Head to Head
Dayeon Back vs Jelena Ostapenko
In short
Dayeon Back leads their head-to-head 1–0. Most recent meeting: R32 – Hana Bank Korea Open - Seoul 2023, won by Dayeon Back (3-6 6-1 7-6(4)).
Head-to-head in numbers
Wins by category and stats from the scores.
| Dayeon Back | — | Jelena Ostapenko |
|---|---|---|
| 1 | WTA 250 | 0 |
| 2 | Sets won | 1 |
| 1 | Tie-breaks won | 0 |
| 1 | Deciding sets won | 0 |
All meetings
| Year | Tournament | Round | Winner | Score |
|---|---|---|---|---|
| 2023 | Hana Bank Korea Open - Seoul · WTA 250 | R32 | Dayeon Back | 3-6 6-1 7-6(4) |
Based on tournaments synced by youaretennis.com: the history grows over time.
Comparison
| Dayeon Back | — | Jelena Ostapenko |
|---|---|---|
| 261 | Ranking | 26 |
| 280 | Points | 1.916 |
| 24.8 | Age | 29.4 |
 South Korea | Country |  Latvia |
| 0-1 | 2025 record | 16-17 |
| 0 | 2025 titles | 1 |
| 0 | Titles 2021-2025 | 5 |
Records and titles: Grand Slams, WTA 1000, 500 and 250 (no WTA Finals or WTA 125).
Recent form
The last 5 matches played.
Dayeon Back
- L
vs Maya Joint · 6-2 6-1
Korea Open - Seoul · Round of 16 · 2026
- W
vs Yue Yuan · 6-3 4-6 6-1
Korea Open - Seoul · R32 · 2026
- L
vs Beatriz Haddad Maia · 6-4 6-3
Korea Open - Seoul · R32 · 2025
- L
vs Kimberly Birrell · 6-0 6-1
Hana Bank Korea Open - Seoul · Round of 16 · 2023
- W
vs Jelena Ostapenko · 3-6 6-1 7-6(4)
Hana Bank Korea Open - Seoul · R32 · 2023
Jelena Ostapenko
- L
vs Belinda Bencic · 6-3 1-1 ret.
Ningbo Open - Ningbo · R32 · 2026
- L
vs Sonay Kartal · 7-6(9) 7-6(5)
Wuhan Open - Wuhan · Semifinal · 2026
- W
vs Diana Shnaider · 7-6(6) 6-1
Wuhan Open - Wuhan · Quarterfinal · 2026
- W
vs Leylah Annie Fernandez · 6-1 1-6 6-4
Wuhan Open - Wuhan · Round of 16 · 2026
- W
vs Jessica Pegula · 2-6 7-6(7) 6-3
Wuhan Open - Wuhan · R32 · 2026