Yeon Woo Ku

WTA · ranked No. 177

Elo1,562No. 258 by Elo

Elo · hard1,551No. 244 on this surface

Elo · clay1,524No. 259 on this surface

Elo · grass1,498No. 269 on this surface

WTA ranking177

Season 20266–8no title

Elo over the last 2 years

Season 2026

Surface	Record	Won
Hard court	6–6	50%
Clay	0–1	0%
Grass	0–1	0%
Record · Titles: 0	6–8	43%

Serve profile vs the tour (12 months)

Matches with stats from the last 12 months, pulled towards the tour average on a small sample.

	Yeon Woo Ku	Tour
Service points won	56%	56%
Return points won	44%	44%
Service games held	65%	63%
Breaks of serve	36%	37%
Aces per service game	0.16
Double faults per game	0.37
Sets with a tie-break	9%
Tie-breaks won	0/3
Wins in straight sets	83%
Matches in the sample	14

Form: recent matches

24/09/26LElena-Gabriela Ruse#57WTA Seoul · R166:2 6:7 1:6
22/09/26WAlevtina Ibragimova#169WTA Seoul · R326:3 6:2
26/08/26LStorm Hunter#150WTA US Open · Q26:4 6:7 0:6
25/08/26WAstra Sharma#576WTA US Open · Q16:4 6:3
29/07/26LEmma SI Yu Dong#869WTA 125 Vancouver · R326:4 2:6 6:7
23/06/26LTeodora Kostovic#149WTA Wimbledon · Q11:6 4:6
20/06/26LDarja Vidmanova#90WTA 125 Figueira Da Foz · SF4:6 3:6
19/06/26WMartyna Kubka#166WTA 125 Figueira Da Foz · QF3:6 6:4 6:1
17/06/26WViktoria Hruncakova#206WTA 125 Figueira Da Foz · R166:4 6:3
16/06/26WLucrezia Stefanini#106WTA 125 Figueira Da Foz · R326:4 7:5
19/05/26LKarolína Plíšková#49WTA French Open · Q16:0 3:6 1:6
12/01/26LFiona Ferro#105WTA Australian Open · Q13:6 2:6
03/01/26LKaitlin Quevedo#76WTA Auckland · Q16:1 4:6 1:6
03/01/26WAlina Charaeva#98WTA Auckland · Q16:3 6:2
13/10/25LKatarina Zavatska#248WTA 125 Jinan · Q14:6 6:2 5:7
15/09/25LLois Boisson#258WTA Seoul · R322:6 1:6
15/09/24LHeather Watson#388WTA Seoul · Q25:7 3:6
14/09/24WHaruka Kaji#278WTA Seoul · Q10:6 6:3 6:2
09/10/23LClaire Liu#96WTA Seoul · R323:6 3:6
08/10/23WYa-Hsuan Lee#987WTA Seoul · Q26:1 3:6 6:4