WTA · Rank #159

Sofia Costoulas

21yrs Right #134Peak Rank

69.6%Accuracy

Matches Analyzed

Recent Form

WLLLW

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WTA Jingshan China Hard WTA Jingshan China (Hard) 1

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

WTA Wimbledon London Great Britain Qualifying Grass WTA Wimbledon London Great Britain Qualifying (Grass) 1

1 ▾1.54

1 ▾1.54

WTA Foggia Italy Clay WTA Foggia Italy (Clay) 1

2 ▾1.13

2 ▾1.13

ITF Women W75 Zaragoza Clay ITF Women W75 Zaragoza (Clay) 1

2 ▴1.53

O20.5 1.95

WTA French Open Paris France Qualifying Clay WTA French Open Paris France Qualifying (Clay) 1

2 ▾1.6

U24.5 ▾1.55

Record by surface

Hard

22-13

Clay

5-6

Grass

0-1

Overall 27-20

Our AI on this player 32 correct of 46

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. 159. That is below a career-high of world No. 134. The first serve is the reliable part of the game: 69.9% of opening deliveries land in, and 64.4% of those points are won. Against serve the numbers sit mid-table — 44% of points won, 49.3% of break chances taken. Across everything played, 58% of all points end up on this side of the net. The best surface is comfortably hard: 22-13 there, against 5-7 on everything else.

Results keep swinging: 2 up and 3 down across the last 5. 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 Jingshan China.

Serve & Return

First Serve %

73.5%

1st Serve Won

67.6%

2nd Serve Won

41.6%

Aces / Match

Double Faults / Match

2.3

Break Pts Saved

62.1%

Break Pts Converted

66.7%

Return Pts Won

42.2%

Service Hold %

112.8%

Total Pts Won

65.1%

Records Last 12 months

Titles

Finals

Semis or better

Events played

Tournament Results 1 title

ITF W75 Kofu Women ITF Winner Rovereto, Italy WTA 125 Semi-Finals Auckland WTA Quarter-Finals Les Sables d Olonne, France WTA 125 Quarter-Finals Manila, Philippines WTA 125 Quarter-Finals Saint-Malo, France WTA 125 Quarter-Finals

Samsun, Turkiye WTA 125 Quarter-Finals

ITF W75 Manama Women ITF Quarter-Finals ITF W35 Vigo Women ITF Quarter-Finals ITF W75 Glasgow Women ITF Quarter-Finals ITF W75 Tianjin Women ITF Quarter-Finals Foggia, Italy WTA 125 Round of 16 Oeiras 4, Portugal WTA 125 Round of 16 Vancouver, Canada WTA 125 Round of 16 ITF W50 Ortisei Women ITF Round of 16 ITF W75 Portorož Women ITF Round of 16 ITF W75 Quinta do Lago Women ITF Round of 16 ITF W75 Zaragoza Women ITF Round of 16 Singapore WTA Round of 32 Bogota WTA Round of 32 Prague WTA Round of 32 WTA Athens, Greece Women Singles WTA Round of 32 Istanbul, Turkiye WTA 125 Round of 32 Warsaw, Poland WTA 125 Round of 32 ITF W50 Guiyang Women ITF Round of 32 ITF W50 Helsinki Women ITF Round of 32 ITF W50 Trnava Women ITF Round of 32 ITF W75 Kyoto Women ITF Round of 32 Roland Garros, Women WTA Qualifying US Open, Women WTA Qualifying Australian Open, Women WTA Qualifying Wimbledon, Women WTA Qualifying

Deepest runs first, not by date

Season by season

2026

2026so far

11–9

Won-lost

Matches

2–2

Tiebreaks

3.6

Aces / Match

2.6

Double Faults / Match

First Serve % 68.1%

1st Serve Won 64.4%

2nd Serve Won 49.9%

Break points won 43.4%

Break Pts Saved 54.3%

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 46 matches involving Sofia Costoulas and got 32 right — a hit rate of 69.6%. 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.