WTArating 1551 · peak 1567
Yeonwoo Ku
Korea · 23 years old · born in N/A
WTA singles record since 2007
Won-lost
10-13
44% of matches
Titles
0
0 finals lost
Tiebreaks
1-3
won-lost
Deciding sets
4 of 10
49% of games won
By surface
| Surface | Won-lost | Win % | Games won | Tiebreaks | Rating |
|---|---|---|---|---|---|
| hard | 7-10 | 41% | 49% | 1-3 | 1445 |
| clay | 0-1 | 0% | 46% | 0-0 | 1483 |
| grass | 0-1 | 0% | 29% | 0-0 | 1434 |
Counted from scores; walkovers excluded. See surface Elo and share of games won.
Recent matches
| Date | Tournament | Opponent | Result | Score |
|---|---|---|---|---|
| 2026-09-24 | Korea Open Round 2 | Elena-Gabriela Ruse | loss | 2-6 7-6(1) 6-1 |
| 2026-09-22 | Korea Open Round 1 | Alevtina Ibragimova | win | 6-3 6-2 |
| 2026-08-26 | US Open Qualifying 2nd Round | Storm Hunter | loss | 4-6 7-6(6) 6-0 |
| 2026-08-25 | US Open Qualifying 1st Round | Astra Sharma | win | 6-4 6-3 |
| 2026-07-29 | Odlum Brown VanOpen Round 1 | Emma Si Yu Dong | loss | 4-6 6-2 7-6(6) |
| 2026-06-23 | Wimbledon Qualifying 1st Round | Teodora Kostovic | loss | 6-1 6-4 |
| 2026-06-20 | Figueira Da Foz Ladies Open SF | Darja Vidmanova | loss | 6-4 6-3 |
| 2026-06-19 | Figueira Da Foz Ladies Open QF | Martyna Kubka | win | 3-6 6-4 6-1 |
| 2026-06-17 | Figueira Da Foz Ladies Open Round 2 | Viktoria Hruncakova | win | 6-4 6-3 |
| 2026-06-16 | Figueira Da Foz Ladies Open Round 1 | Lucrezia Stefanini | win | 6-4 7-5 |
| 2026-05-19 | Roland Garros Qualifying 1st Round | Karolina Pliskova | loss | 0-6 6-3 6-1 |
| 2026-01-12 | Australian Open Qualifying 1st Round | Fiona Ferro | loss | 6-3 6-2 |
| 2026-01-04 | ASB Classic Qualifying Final | Kaitlin Quevedo | loss | 1-6 6-4 6-1 |
| 2026-01-03 | ASB Classic Qualifying 1st Round | Alina Charaeva | win | 6-3 6-2 |
| 2025-10-13 | 125 Jinan Open Qualifying 1st Round | Katarina Zavatska | loss | 6-4 2-6 7-5 |
| 2025-09-15 | Korea Open Round 1 | Lois Boisson | loss | 6-2 6-1 |
| 2024-09-15 | Korea Open Qualifying Final | Heather Watson | loss | 7-5 6-3 |
| 2024-09-14 | Korea Open Qualifying 1st Round | Haruka Kaji | win | 0-6 6-3 6-2 |
| 2023-10-09 | Korea Open Round 1 | Claire Liu | loss | 6-3 6-3 |
| 2023-10-08 | Korea Open Qualifying Final | Ya-Hsuan Lee | win | 6-1 3-6 6-4 |
| 2023-10-07 | Korea Open Qualifying 1st Round | Sohyun Park | win | 7-6(2) 4-1 ret. |
| 2022-09-18 | Korea Open Qualifying Final | Jana Fett | loss | 6-4 6-4 |
| 2022-09-17 | Korea Open Qualifying 1st Round | Natalija Stevanovic | win | 6-3 4-6 6-0 |
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