Dayeon Back
WTA #270Elo#2971706
Glicko-2#3051697 RD ±66.1
24 yrs · strongest on Hard · 240–109 career · peak Elo 1804 · last 2026-09-09
Dayeon Back is WTA No. 270, ranked #297 by Elo (1706) and #305 by Glicko-2 (1697). Career record 240–109.
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 ±66.1 — lower means more certain.
Rankings · Elo / Glicko
Official (WTA)#270
Overall#297 / #305
Form · 52w race#182 / #173
Hard#177 / #163
Clay#429 / #359
Grass#646 / #444
Career
Peak Elo1804 2026-06-25
Overall W–L240–109 69%
Hard217–95 70%
Clay14–10 58%
Honours · career
Career high WTA#245
Pressure · career
Deciding set2–0 100%
Tie-breaks1–0 100%
Deciding-set tie-breaks1–0 100%
After winning set 12–0 100%
After losing set 11–4 20%
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
Yue Yuan0–0 in 0
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 
Viktoria Morvayova3-6 3-6
Viktoria Morvayova3-6 3-6LHard v 
Mei Yamaguchi2-6 1-6
Mei Yamaguchi2-6 1-6LClay v 
Laima Vladson0-6 1-6
Laima Vladson0-6 1-6WClay v Arina Gabriela Vasilescu6-3 6-1
LClay v 
Julie Pastikova1-6 3-6
Julie Pastikova1-6 3-6LClay v 
Xinxin Yao2-6 2-6
Xinxin Yao2-6 2-6LClay v 
Lea Nilsson6-7 2-6
Lea Nilsson6-7 2-6WClay v 
Denislava Glushkova6-2 4-0ret.
Denislava Glushkova6-2 4-0ret.WClay v 
Loes Ebeling Koning6-3 6-4
Loes Ebeling Koning6-3 6-4WClay v Madelief Hageman6-1 6-4
Madelief Hageman6-1 6-4WClay v 
Oana Georgeta Simion6-3 6-3
Oana Georgeta Simion6-3 6-3LClay v 
Alicia Herrero Linana3-6 6-7
Alicia Herrero Linana3-6 6-7◆ Upcoming
Hard Seoul · R1 · SUN 09/20 11:10pm ET
vs Y. Yuan
41%
Elo win