Sofia Costoulas
WTA #150Elo#2801716
Glicko-2#2471751 RD ±63.9
21 yrs · right-handed · strongest on Clay · 218–146 career · peak Elo 1835 · last 2026-09-08
Sofia Costoulas is WTA No. 150, ranked #280 by Elo (1716) and #247 by Glicko-2 (1751). Career record 218–146.
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 ±63.9 — lower means more certain.
Rankings · Elo / Glicko
Official (WTA)#150
Overall#280 / #247
Form · 52w race#402 / #337
Hard#210 / #188
Clay#257 / #273
Grass#604 / #713
Career
Peak Elo1835 2025-06-13
Overall W–L218–146 60%
Hard156–88 64%
Clay58–53 52%
Grass1–3 25%
Honours · career
Career high WTA#134
Pressure · career
Deciding set3–4 43%
Tie-breaks0–4 0%
Deciding-set tie-breaks0–1 0%
After winning set 19–2 82%
After losing set 11–9 10%
Retirements and walkovers are excluded — a deciding set that ended because someone stopped playing is not a deciding set won.
Serve & return · career rates
1st serve in60.8%
Won behind 1st65.8%
Won behind 2nd45.6%
Break points saved54.3%
Break points converted42.2%
Return points won44.1%
Aces per match3.4
Double faults per match2.7
From 21 tour-level matches with point-by-point statistics on file. Rates rather than totals, because the statistics table does not cover every match played.
Head-to-head · career meetings
Tatiana Prozorova0–0 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
Hina Inoue3-6 7-6 3-6
LHard v
Zhuoxuan Bai6-1 1-6 3-6
WHard v
Kristiana Sidorova6-1 6-2
WHard v
Shiyu Ye7-6 6-3
LHard v
Elvina Kalieva6-3 3-6 4-6
WHard v
Jennifer Ruggeri7-5 6-4
LHard v
Matilde Jorge6-7 0-6
WHard v Sofia Camila Rojas6-3 6-3
WHard v Eva Alvarez Sande6-1 6-1
LHard v
Gabriela Andrea Knutson2-6 4-6
LHard v
Maddison Inglis3-6 3-6
WHard v
Lizette Cabrera6-2 6-2
◆ Upcoming
Hard Singapore · R1 · MON 09/21 10:00pm ET
vs T. Prozorova
33%
Elo win