South Korea World No. 175 Yeonwoo Ku is 19–19 in 2026 with one title (W50 Montemor-o-Novo) and a run to the W100 Evansville final.
Yeonwoo Ku’s last match was on 24 Sept at Korea Open, a loss to Gabriela Ruse.
As of 8 October 2026, 19:46 UTC.
Next match
Opponent, time and what people predict.
No match scheduled right now. Last played 24 Sept at Korea Open: lost to Gabriela Ruse 6–2 6–7 1–6.
World ranking
No. 175
No change since 28 Sept
2026 season
19–19
Last 5 matches
W L L W L
Career titles
1
19–19
2026 record
1 title (W50 Montemor-o-Novo), runner-up at W100 Evansville.
- Hard
- 19–17
- Clay
- 0–1
- Grass
- 0–1
6
Match winning streak
W50 Montemor-o-Novo to W50 Guimaraes, 2 Jun to 10 Jun.
- Deciding sets
- 4–10
- Tiebreaks
- 1–7
Tournament Run
Yeonwoo Ku is not in a draw this week - the bracket appears once a tournament starts.
News & Insights
What is happening around Yeonwoo Ku - headlines from our approved sources, links go to the source.
No fresh headlines about Yeonwoo Ku from our sources yet.
Serve & return, 2026
How the points are won, from the match statistics api-tennis records. The tick on each bar is the median of the WTA top 100.
9 matches with statistics
On serve about tour average at holding serve
- Aces per match
- 1.4 tour median 2.8 · fewer than most
- Double faults per match
- 3.9 tour median 3.6 · more than most
- 1st serve points won
- 65% tour median 65%
- 2nd serve points won
- 46% tour median 46%
- Service games held
- 67% tour median 68%
- Break points saved
- 55% tour median 56%
On return 10 points better than the WTA median at converting break points
- Return games won
- 41% tour median 37%
- Break points converted
- 56% tour median 46%
Career
1 singles title · best year-end No. 192 (2025). Year-end singles ranking by season, from api-tennis.
Results
Every singles result on record, newest first. Opponents link to their page and the score to the match page, where we have one; "people predicted" is this player's Polymarket price before the match.
| Date | Result | Opponent | Tournament | Score | People predicted |
|---|---|---|---|---|---|
| 24 Sept 2026 | L | Gabriela Ruse | Korea Open · Round of 16 | 6–2 6–7 1–6 | |
| 22 Sept 2026 | W |  Alevtina Ibragimova | Korea Open · Round of 32 | 6–3 6–2 | |
| 2 Sept 2026 | L | Margaux Rouvroy | W50 Leiria · Round of 32 | 4–6 6–4 3–6 | |
| 26 Aug 2026 | L |  Storm Hunter | US Open · Qualifying semi-finals | 6–4 6–7(6) 0–6 | |
| 25 Aug 2026 | W |  Astra Sharma | US Open · Qualifying quarter-finals | 6–4 6–3 | |
| 8 Aug 2026 | L |  Mai Hontama | W100 Landisville, PA · Round of 16 | 1–6 6–4 3–6 | |
| 5 Aug 2026 | W | Sinclair Rogers Anna | W100 Landisville, PA · Round of 32 | 6–2 6–3 | |
| 29 Jul 2026 | L | Emma Dong | Vancouver · Round of 32 | 6–4 2–6 6–7(6) |
Show next 20 of 30 more
| 26 Jul 2026 | L |  Caroline Dolehide | W100 Evansville · Final | 6–7(3) 6–7(5) | |
| 25 Jul 2026 | W |  Lucrezia Stefanini | W100 Evansville · Semi-finals | 6–4 6–2 | |
| 24 Jul 2026 | W |  Mary Stoiana | W100 Evansville · Quarter-finals | 6–4 2–6 6–2 | |
| 23 Jul 2026 | W |  Darja Vidmanova | W100 Evansville · Round of 16 | 3–6 6–3 6–4 | |
| 22 Jul 2026 | W | Reina Goto | W100 Evansville · Round of 32 | 6–2 6–2 | |
| 14 Jul 2026 | L | Miho Kuramochi | W75 Granby · Round of 32 | 6–1 6–7(6) 4–6 | |
| 23 Jun 2026 | L |  Teodora Kostovic | Wimbledon · Qualifying quarter-finals | 1–6 4–6 | |
| 20 Jun 2026 | L | Darja Vidmanova | Figueira Da Foz (Portugal) · Semi-finals | 4–6 3–6 | |
| 19 Jun 2026 | W |  Martyna Kubka | Figueira Da Foz (Portugal) · Quarter-finals | 3–6 6–4 6–1 | |
| 17 Jun 2026 | W |  Viktoria Hruncakova | Figueira Da Foz (Portugal) · Round of 16 | 6–4 6–3 | |
| 16 Jun 2026 | W | Lucrezia Stefanini | Figueira Da Foz (Portugal) · Round of 32 | 6–4 7–5 | |
| 11 Jun 2026 | L | Savannah Broadus | W50 Guimaraes · Round of 16 | 6–7(3) 2–6 | |
| 10 Jun 2026 | W | F. Laundes | W50 Guimaraes · Round of 32 | 6–1 6–4 | |
| 7 Jun 2026 | W |  Francisca Jorge | W50 Montemor-o-Novo · Final | 3–6 6–4 6–2 | |
| 6 Jun 2026 | W | Anastasia Kulikova | W50 Montemor-o-Novo · Semi-finals | 6–2 6–1 | |
| 5 Jun 2026 | W | Maria Martinez Vaquero | W50 Montemor-o-Novo · Quarter-finals | 6–4 7–5 | |
| 4 Jun 2026 | W |  Valentini Grammatikopoulou | W50 Montemor-o-Novo · Round of 16 | 6–4 7–5 | |
| 2 Jun 2026 | W |  Iveta Dapkute | W50 Montemor-o-Novo · Round of 32 | 6–1 6–3 | |
| 19 May 2026 | L |  Karolina Pliskova | French Open · Qualifying quarter-finals | 6–0 3–6 1–6 | |
| 11 May 2026 | L |  Claire Liu | W75 Trnava 3 · Round of 32 | 4–6 1–6 |
Show next 10 of 10 more
| 28 Apr 2026 | L |  Maddison Inglis | W100 Gifu · Round of 32 | 6–3 2–6 4–6 | |
| 22 Apr 2026 | L |  Haruka Kaji | W100 Tokyo · Round of 32 | 4–6 6–7(2) | |
| 17 Apr 2026 | L |  Hayu Kinoshita | W35 Miyazaki (Japan) · Quarter-finals | 1–6 7–6(5) 3–6 | |
| 16 Apr 2026 | W | Tiana Tian Deng | W35 Miyazaki (Japan) · Round of 16 | 6–3 6–2 | |
| 15 Apr 2026 | W | A. Ichioka | W35 Miyazaki (Japan) · Round of 32 | 6–1 6–0 | |
| 1 Apr 2026 | L |  Taylah Preston | W100 Luan (China) · Round of 32 | 5–7 3–6 | |
| 11 Mar 2026 | L | Hayu Kinoshita | W75 Kyoto · Round of 32 | 3–6 5–7 | |
| 12 Jan 2026 | L |  Fiona Ferro | Australian Open · Qualifying quarter-finals | 3–6 2–6 | |
| 4 Jan 2026 | L |  Kaitlin Quevedo | Auckland · Qualifying final | 6–1 4–6 1–6 | |
| 3 Jan 2026 | W |  Alina Charaeva | Auckland · Qualifying semi-finals | 6–3 6–2 |