World No. 159 Sofia Costoulas is 21 and plays right-handed. Career best: No. 134 in the world. On hard the record reads 22-13, well ahead of 5-7 on the other surfaces. With 69.9% of first serves in play and 64.4% of them turned into points, the first delivery is a steady asset. Average on return: 44% of return points won and 49.3% of break points converted. Point for point, 58% go this player's way.

Mixed recent form, 2-3 over the last 5. No match in our data has lasted longer than the 35-game duel with N. Hibino. Open any of these matches for BananaCore's pick, a predicted scoreline and the serve and return figures behind them. Latest tournament on record: WTA Jingshan China.

Serving and returning

1st serves in

73.5%

Won on 1st serve

67.6%

Won on 2nd serve

41.6%

Aces per match

Double faults per match

2.3

Break points saved

62.1%

Return games won

66.7%

Points won on return

42.2%

Service points won

112.8%

All points won

65.1%

Career Past 12 months

Titles

Finals

Semi-final runs

Tournaments played

Results by tournament 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

Sorted by best result, not by date

Year by year

2026

2026in progress

11–9

W–L

Matches

2–2

Tiebreaks

3.6

Aces per match

2.6

Double faults per match

1st serves in 68.1%

Won on 1st serve 64.4%

Won on 2nd serve 49.9%

Break points converted 43.4%

Break points saved 54.3%

2025

2–5

W–L

Matches

0–2

Tiebreaks

4.1

Aces per match

2.1

Double faults per match

1st serves in 63.4%

Won on 1st serve 61.5%

Won on 2nd serve 45.8%

Break points converted 37.7%

Break points saved 58%

2024

2–3

W–L

Matches

—

Tiebreaks

Aces per match

2.6

Double faults per match

1st serves in 61.2%

Won on 1st serve 59.7%

Won on 2nd serve 43.6%

Break points converted 38.5%

Break points saved 62.9%

Official singles figures for this season, as published by the tour. Don't expect the wins and losses to match our Predictions tab: that record covers only the matches we forecast. A dash marks a figure with no data yet.

Common questions

How often do our calls on Sofia Costoulas come true?

32 of our 46 graded predictions on Sofia Costoulas's matches were right, 69.6%. The latest 21 are listed below, each pick next to its result.

Which opponent has Sofia Costoulas met most in our records?

Ayla Aksu, 3 times, with Sofia Costoulas at 2-1 in those matches.