H2H data updated: 2026-07-19 02:51 UTC
Claire Liu vs Yeonwoo Ku H2H: 1-0
Claire Liu holds a 1–0 lead over Yeonwoo Ku in their WTA head-to-head. Across 1 main-draw meeting, Claire Liu leads 1–0 on hard courts. Most recently, Claire Liu won the 2023 Seoul third round 6-3 6-3.
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USA
Age 26
Right-Handed
170 cm / 5'7"
H2H
1
–
0
1 main draw meetings
KOR
Age 23
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Oct 9, 2023 | Seoul | WTA 250 | R32 | Hard | Claire Liu | 6-3 6-3 | Yeonwoo Ku | Match data |
Career Comparison
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 | Finals | 500 | 250 | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Claire Liu | #111 | #52 | 1,024 | 1,767 | 45 | 65 | 40.9% | 0 | 0 | 0 | 0 | 0 | 0 |
| Yeonwoo Ku | #187 | #172 | 447 | 1,542 | 0 | 2 | 0.0% | 0 | 0 | 0 | 0 | 0 | 0 |
Career Progression by Age
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Age | Claire Liu | Yeonwoo Ku | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 17 | 2017 | 0–2 | 0.0% | #266 | 1,447 | 0 | 0 | — | — | — | — | — | — | — |
| 18 | 2018 | 5–7 | 41.7% | #141 | 1,554 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | 2020 | 0–1 | 0.0% | #218 | 1,501 | 0 | 0 | 2023 | 0–1 | 0.0% | #493 | 1,516 | 0 | 0 |
| 21 | 2021 | 3–5 | 37.5% | #94 | 1,593 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 2022 | 15–15 | 50.0% | #59 | 1,728 | 0 | 0 | 2025 | 0–1 | 0.0% | #192 | 1,487 | 0 | 0 |
| 23 | 2023 | 15–21 | 41.7% | #98 | 1,680 | 0 | 0 | — | — | — | — | — | — | — |
| 24 | 2024 | 1–5 | 16.7% | #269 | 1,670 | 0 | 0 | — | — | — | — | — | — | — |
| 25 | 2025 | 3–5 | 37.5% | #207 | 1,703 | 0 | 0 | — | — | — | — | — | — | — |
| 26 | 2026 | 3–4 | 42.9% | #111 | 1,719 | 0 | 0 | — | — | — | — | — | — | — |