Yeon Woo Ku
WTA #180Elo#2741719
Glicko-2#2511748 RD ±64.0
23 yrs · strongest on Grass · 235–136 career · peak Elo 1837 · last 2026-09-02
Yeon Woo Ku is WTA No. 180, ranked #274 by Elo (1719) and #251 by Glicko-2 (1748). Career record 235–136.
Elo — overall & by surface
Form is a separate 52-week race in which every player restarts level — it tracks the last year’s gains, not overall level, so it is not comparable to the ratings above.
Glicko-2 — rating & deviation
Rating deviation ±64.0 — lower means more certain.
Rankings · Elo / Glicko
Official (WTA)#180
Overall#274 / #251
Form · 52w race#400 / #283
Hard#202 / #174
Clay#428 / #389
Grass#403 / #355
Career
Peak Elo1837 2026-01-03
Overall W–L235–136 63%
Hard209–118 64%
Clay24–15 62%
Grass2–3 40%
Honours · career
Career high WTA#171
Pressure · career
Deciding set3–3 50%
Tie-breaks0–1 0%
After winning set 14–3 57%
After losing set 11–6 14%
Retirements and walkovers are excluded — a deciding set that ended because someone stopped playing is not a deciding set won.
Head-to-head · career meetings
Mananchaya Sawangkaew2–2 in 4
Pairs who could meet soon — every scheduled match, and every live-draw opponent with a history. All of them in the head-to-head index.
◆ Recent results
LHard v 
Margaux Rouvroy4-6 6-4 3-6
Margaux Rouvroy4-6 6-4 3-6LHard v 
Storm Hunter6-4 6-7 0-6
Storm Hunter6-4 6-7 0-6WHard v Astra Sharma6-4 6-3
LHard v 
Mai Hontama1-6 6-4 3-6
Mai Hontama1-6 6-4 3-6WHard v 
Anna Sinclair Rogers6-2 6-3
Anna Sinclair Rogers6-2 6-3LHard v Emma Dong6-4 2-6 6-7
LHard v Caroline Dolehide6-7 6-7
Caroline Dolehide6-7 6-7WHard v 
Lucrezia Stefanini6-4 6-2
Lucrezia Stefanini6-4 6-2WHard v Mary Stoiana6-4 2-6 6-2
Mary Stoiana6-4 2-6 6-2WHard v 
Darja Vidmanova3-6 6-3 6-4
Darja Vidmanova3-6 6-3 6-4WHard v Reina Goto6-2 6-2
Reina Goto6-2 6-2LHard v Miho Kuramochi6-1 6-7 4-6
Miho Kuramochi6-1 6-7 4-6◆ Upcoming
No upcoming matches on the board.