Yeonwoo Ku
Instagram profile (opens in new tab)Peak ranking
172 (Jun 22, 2026)
Elo peak
1542 (18.7%ile)
Career record
0–2 (0.0%)
Career titles
0
Prize money
$226,864
Recent WTA Matches full match log →
Qualifying matches are shown here but excluded from main-draw summaries and leaderboards.
| Date | Tournament | Category | Round | Surface | Opponent | Score | Result | H2H | Match |
|---|---|---|---|---|---|---|---|---|---|
| Jan 3, 2026 | Auckland | WTA 250 | Q2 | Hard | Kaitlin Quevedo | 6-1 4-6 1-6 | L | H2H | Match data |
| Jan 3, 2026 | Auckland | WTA 250 | Q1 | Hard | Alina Charaeva | 6-3 6-2 | W | H2H | Match data |
| Sep 15, 2025 | Seoul | WTA 250 | R32 | Hard | Lois Boisson | 2-6 1-6 | L | H2H | Match data |
| Sep 15, 2024 | Seoul | WTA 250 | Q2 | Hard | Heather Watson | 5-7 3-6 | L | H2H | Match data |
| Sep 14, 2024 | Seoul | WTA 250 | Q1 | Hard | Haruka Kaji | 0-6 6-3 6-2 | W | H2H | Match data |
Rivals full rivalries list →
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Lois Boisson | 0 | 1 | 1 | Sep 15, 2025 | H2H |
| Claire Liu | 0 | 1 | 1 | Oct 9, 2023 | H2H |
Career Results
Career Results by Surface
| Season | Age | Type | Hard | Clay | Grass | Total | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | |||
| 2022 | 19 | Qualifying | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 50.0% |
| 2023 | 20 | Qualifying | 2 | 0 | 2 | 100.0% | — | — | — | — | — | — | — | — | 2 | 0 | 2 | 100.0% |
| 2023 | 20 | WTA | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 2024 | 21 | Qualifying | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 50.0% |
| 2025 | 22 | WTA | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 2026 | 23 | Qualifying | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 50.0% |
| Career | — | — | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | 0 | 2 | 2 | 0.0% |
Career Results by Opponent Rank
Advanced Stats
| Season | Age | ELO | ELO % | Hard % | Clay % | Grass % | Set Win % | Set Margin | SoS % | Deep Run % | Dec. Set W% | TB W | TB L | TB W% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | 19 | 1497 | 57 | — | — | — | — | — | 5 | — | — | 0 | 0 | — |
| 2023 | 20 | 1516 | 65 | — | — | — | 0.0% | -3.00 | 38 | 0 | — | 0 | 0 | — |
| 2024 | 21 | 1514 | 64 | — | — | — | — | — | 17 | — | — | 0 | 0 | — |
| 2025 | 22 | 1488 | 48 | — | — | — | 0.0% | -4.50 | 55 | 0 | — | 0 | 0 | — |
| 2026 | 23 | 1531 | 66 | — | — | — | — | — | 37 | — | — | 0 | 0 | — |
| Career | 1502 | 56 | — | — | — | 0.0% | -3.75 | 46 | 0 | — | 0 | 0 | — |
Tournament Results by Category
WTA Ranking History full ranking history →
Career high
172
Career-high date
Jun 22, 2026
First top 100
—
First top 50
—
First top 20
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First top 10
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Ranking History Matrix
Similar Players
Other WTA players ranked by a composite similarity score over country, era, and peak rank.
| Player | Country | Peak Rank | Peak Elo | Grand Slams | Titles | M | W | L | Win % | Active Years | Match Log |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Su Jeong Jang | KOR | 114 | 1,599 | 0 | 0 | 28 | 7 | 21 | 25.0% | 2013-2024 | Match log |
| Dayeon Back | KOR | 260 | 1,528 | 0 | 0 | 6 | 1 | 5 | 16.7% | 2021-2025 | Match log |
| Na Lae Han | KOR | 149 | 1,517 | 0 | 0 | 19 | 5 | 14 | 26.3% | 2014-2023 | Match log |
| Katarzyna Kawa | POL | 112 | 1,720 | 0 | 0 | 44 | 20 | 24 | 45.5% | 2019-2026 | Match log |
| Storm Hunter | AUS | 114 | 1,727 | 0 | 0 | 58 | 18 | 40 | 31.0% | 2014-2026 | Match log |
| Priscilla Hon | AUS | 101 | 1,684 | 0 | 0 | 57 | 17 | 40 | 29.8% | 2016-2026 | Match log |
| Irina Bara | ROU | 104 | 1,620 | 0 | 0 | 50 | 16 | 34 | 32.0% | 2017-2025 | Match log |
| Mai Hontama | JPN | 105 | 1,697 | 0 | 0 | 40 | 15 | 25 | 37.5% | 2021-2026 | Match log |
| Fanny Stollar | HUN | 114 | 1,659 | 0 | 0 | 31 | 14 | 17 | 45.2% | 2017-2024 | Match log |
| Anastasia Gasanova | RUS | 121 | 1,616 | 0 | 0 | 26 | 11 | 15 | 42.3% | 2021-2025 | Match log |
| Jessika Ponchet | FRA | 104 | 1,645 | 0 | 0 | 35 | 10 | 25 | 28.6% | 2018-2026 | Match log |
| Marina Stakusic | CAN | 114 | 1,709 | 0 | 0 | 24 | 10 | 14 | 41.7% | 2022-2026 | Match log |
Frequently Asked Questions
- How old is Yeonwoo Ku?
- Yeonwoo Ku is 23 years old, born on March 15, 2003.
- Which country is Yeonwoo Ku from?
- Yeonwoo Ku is from South Korea.
- How many Grand Slams has Yeonwoo Ku won?
- Yeonwoo Ku has not won a Grand Slam title.
- How many WTA 1000 titles has Yeonwoo Ku won?
- Yeonwoo Ku has not won a WTA 1000 title.
- What is Yeonwoo Ku's highest WTA ranking?
- Yeonwoo Ku's career-high WTA singles ranking is world No. 172, first achieved on June 22, 2026.
- What is Yeonwoo Ku's career win-loss record?
- Yeonwoo Ku has a career WTA singles record of 0 wins and 2 losses (0.0%).
- How much career prize money has Yeonwoo Ku earned?
- Yeonwoo Ku has earned at least $226,864 in career prize money from professional tennis.
- When did Yeonwoo Ku play professional tennis?
- Yeonwoo Ku turned professional in 2023 and was active through 2025.
- Who is Yeonwoo Ku's biggest rival?
- Yeonwoo Ku's most frequent opponent is Lois Boisson, with a head-to-head record of 0–1 across 1 meeting.