WTA · Belgium · U · 21.5 yrs

Sofia Costoulas

Rank

#144

Elo

1628

Serve skill

0.228 ±1.606

Return skill

0.106 ±1.601

Points observed

5,606

Hard Elo

1618

Clay Elo

1590

Grass Elo

1596

The ± bands are the rating engine's uncertainty — they widen during absences and tighten with play. We show them instead of pretending the point estimate is exact.

Season record

17-18

Clay

4-5

Grass

0-1

Hard

13-12

Career

26-28

Titles

Best rank

#134

Rest days

Matches (14d)

Last 10 matches

Lvs Darya Astakhova · Suzhou Open · Hard6-3 (ret.)2026-10-05

Lvs Sofya Lansere · Jingshan Tennis Open · Hard6-3 6-42026-10-01

Wvs Kristina Mladenovic · Jingshan Tennis Open · Hard6-2 7-52026-09-29

Lvs Tatiana Prozorova · Singapore Tennis Open presented by BNP Paribas · Hard5-7 7-6(2) 6-22026-09-22

Lvs Elvina Kalieva · US Open · Hard3-6 6-3 6-42026-08-26

Wvs Jennifer Ruggeri · US Open · Hard7-5 6-42026-08-25

Lvs Gabriela Knutson · Warsaw T-Mobile Polish Open · Hard6-2 6-42026-08-04

Wvs Lizette Cabrera · Odlum Brown VanOpen · Hard6-2 6-22026-07-29

Lvs Maddison Inglis · Odlum Brown VanOpen · Hard6-3 6-32026-07-29

Lvs Ayla Aksu · Livesport Prague Open · Hard2-6 6-3 6-42026-07-20

As of 2026-10-17 15:55 UTC — this player hasn't been on a recent slate, so the snapshot is 3 days old. · For informational purposes only; not betting advice.