WTA · Rank #183

Sofia Costoulas

21yrs Right #134Peak Rank

70%Accuracy

Matches Analyzed

Recent Form

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WTA Sopo Colombia Clay WTA Sopo Colombia (Clay) 1

1 ▴1.37

1 ▴1.37

WTA Cali Colombia Clay WTA Cali Colombia (Clay) 1

2 ▾1.44

2 ▾1.44

WTA Querétaro Mexico Clay WTA Querétaro Mexico (Clay) 1

2 ▴1.28

O17.5 ▾1.35

WTA Jingshan China Hard WTA Jingshan China (Hard) 2

2 ▴1.3

2 ▴1.3

2 ▴1.16

2 ▴1.16

WTA Singapore Singapore Hard WTA Singapore Singapore (Hard) 1

1 ▾1.64

U27.5 1.31

ITF Women W50 Guiyang Hard ITF Women W50 Guiyang (Hard) 1

1 1.17

1 1.17

ITF Women W75 Tianjin Hard ITF Women W75 Tianjin (Hard) 3

1 ▾1.74

O20.5 ▴1.78

1 ▴1.35

1 ▴1.35

1 1.08

1 1.08

WTA US Open New York USA Qualifying Hard WTA US Open New York USA Qualifying (Hard) 1

2 ▾5.2

O16.5 ▾1.39

ITF Women W35 Vigo Hard ITF Women W35 Vigo (Hard) 3

1 ▾1.28

1 ▾1.28

1 ▾1.06

1 ▾1.06

1 1.01

1 1.01

WTA Warsaw Poland Hard WTA Warsaw Poland (Hard) 1

2 ▾1.52

2 ▾1.52

WTA Vancouver Canada Hard WTA Vancouver Canada (Hard) 1

2 1.39

O19.5 ▾1.78

WTA Prague Czech Republic Hard WTA Prague Czech Republic (Hard) 3

2 ▾1.39

2 ▾1.39

1 ▾1.5

O18.5 1.38

1 ▾1.94

O18.5 1.34

WTA Athens Greece Hard WTA Athens Greece (Hard) 1

1 ▴1.19

1 ▴1.19

Record by surface

Hard

22-14

Clay

5-9

Grass

0-1

Overall 27-24

Our AI on this player 35 correct of 50

From the matches in our database

Most-played opponents

Ayla Aksu 3 meetings 2-1 Tatiana Prozorova 2 meetings 0-2

About Sofia Costoulas

Sofia Costoulas is a 21-year-old right-handed professional tennis player, currently ranked world No. 183. That is below a career-high of world No. 134. Over the last 52 weeks the serve has landed 72.2% of first deliveries, winning 63.1% of those points. Against serve the numbers sit mid-table — 43.6% of points won, 49.5% of break chances taken. Across everything played, 57.8% of all points end up on this side of the net. The best surface is comfortably hard: 22-14 there, against 5-10 on everything else.

Lately it has not been coming together — 4 defeats in the last 5 outings. The longest match we have on record ran to 35 games, against N. Hibino. Predictions cover match winner and score, alongside serve, return and break-point statistics. Most recently seen in our data at WTA Sopo Colombia.

Serve & Return

First Serve %

76.1%

1st Serve Won

58.8%

2nd Serve Won

43.1%

Aces / Match

1.8

Double Faults / Match

2.4

Break Pts Saved

56.6%

Break Pts Converted

42.6%

Return Pts Won

41.2%

Service Hold %

70.2%

Total Pts Won

53.9%

Records Last 12 months

Titles

Finals

Semis or better

Events played

Tournament Results 1 title

Deepest runs first, not by date

Season by season

2026

2026so far

11–10

Won-lost

Matches

2–2

Tiebreaks

3.5

Aces / Match

2.9

Double Faults / Match

First Serve % 68.9%

1st Serve Won 63.3%

2nd Serve Won 49%

Break points won 42.4%

Break Pts Saved 54.1%

2025

2–5

Won-lost

Matches

0–2

Tiebreaks

4.1

Aces / Match

2.1

Double Faults / Match

First Serve % 63.4%

1st Serve Won 61.5%

2nd Serve Won 45.8%

Break points won 37.7%

Break Pts Saved 58%

2024

2–3

Won-lost

Matches

—

Tiebreaks

Aces / Match

2.6

Double Faults / Match

First Serve % 61.2%

1st Serve Won 59.7%

2nd Serve Won 43.6%

Break points won 38.5%

Break Pts Saved 62.9%

Season totals from the tour feed, singles only. The won-lost line is the tour's own count and can differ from the record under Predictions, which counts the matches we cover. A dash means the season holds nothing to measure that figure from.

Frequently asked questions

How accurate are the AI predictions for Sofia Costoulas?

Our model has graded 50 matches involving Sofia Costoulas and got 35 right — a hit rate of 70%. The 20 most recent are listed below, each with the pick we made and how it finished.

Who has Sofia Costoulas played most often?

Of the matches we cover, Sofia Costoulas has met Ayla Aksu most often — 3 times, with a 2-1 record.