WTA · Head to Head
Yeon Woo Ku vs Claire Liu
In short
Claire Liu leads their head-to-head 1–0. Most recent meeting: R32 – Hana Bank Korea Open - Seoul 2023, won by Claire Liu (6-3 6-3).
Head-to-head in numbers
Wins by category and stats from the scores.
| Yeon Woo Ku | — | Claire Liu |
|---|---|---|
| 0 | WTA 250 | 1 |
| 0 | Sets won | 2 |
| 0 | Tie-breaks won | 0 |
| 0 | Deciding sets won | 0 |
All meetings
| Year | Tournament | Round | Winner | Score |
|---|---|---|---|---|
| 2023 | Hana Bank Korea Open - Seoul · WTA 250 | R32 | Claire Liu | 6-3 6-3 |
Based on tournaments synced by youaretennis.com: the history grows over time.
Comparison
| Yeon Woo Ku | — | Claire Liu |
|---|---|---|
| 165 | Ranking | 109 |
| 458 | Points | 691 |
| 23.6 | Age | 26.4 |
 South Korea | Country |  United States |
| 0-1 | 2025 record | 3-5 |
| 0 | 2025 titles | 0 |
| 0 | Titles 2021-2025 | 0 |
Records and titles: Grand Slams, WTA 1000, 500 and 250 (no WTA Finals or WTA 125).
Recent form
The last 5 matches played.
Yeon Woo Ku
- L
vs Elena Gabriela Ruse · 2-6 7-6(1) 6-1
Korea Open - Seoul · Round of 16 · 2026
- W
vs Alevtina Ibragimova · 6-3 6-2
Korea Open - Seoul · R32 · 2026
- L
vs Lois Boisson · 6-2 6-1
Korea Open - Seoul · R32 · 2025
- L
vs Claire Liu · 6-3 6-3
Hana Bank Korea Open - Seoul · R32 · 2023
Claire Liu
- L
vs Xinran Sun · 7-5 7-6(2)
Guangzhou Open - Guangzhou · Quarterfinal · 2026
- W
vs Katerina Siniakova · w/o
Guangzhou Open - Guangzhou · Round of 16 · 2026
- W
vs Antonia Ruzic · 4-6 7-6(5) 6-4
Guangzhou Open - Guangzhou · R32 · 2026
- L
vs Magda Linette · 6-4 6-3
Japan Open - Osaka · R32 · 2026
- L
vs Rebecca Sramkova · 7-5 6-4
Suzhou WTA 125 - Suzhou · Round of 16 · 2026