Player research cockpit

SofiaCostoulas

TennisJack analysis

Sofia Costoulas currently has a large TennisJack sample of 77 completed matches, with a 59.7% win rate in the loaded match history. The recent form line is 4-6 across the latest 10 completed matches.

Latest rank #152

Matches77Completed matches

Win rate59.7%Across all matches

Latest form4-6In latest 10 matches

Index statusStrong candidateProfile confidence

Performance metrics

Hold Base70.9%

Break Pressure38.1%

Latest form (10 matches)

4-6

L L W W L W W L L L

Surface profile

Hardcourt outdoor

Canonical/players/sofia-costoulas/

Index statusStrong candidate

Last updatedData from TennisJack

Profile intelligence

Ten signals worth watching.

Built from 77 completed TennisJack matches: form, surface, odds, pressure and close-set behavior. The full match log stays below for audit.

Player DNA

Quick fingerprint from starts, service base, return bite and decider exposure.

Strong starter Break-heavy player

Set 1 punch63.6%

Service shield70.9%

Return bite38.1%

Decider risk32.5%

Favorite / Underdog Split

How the player behaves when priced as market favorite versus outsider.

Favorite 73.9% 34-12 - 46 matches Avg odds 1.38 | 1+ set 89.1%

Underdog 35.0% 7-13 - 20 matches Avg odds 2.40 | 1+ set 50.0%

First Set Personality

Shows whether the player starts cleanly, breaks first, or survives early pressure.

Set 1 win63.6%

Breaks first S154.2%

Broken first S145.8%

Recovers S130.3%

Break Pressure Profile

Return damage versus service leakage, built from set-level break counters.

Avg breaks3.75

Avg broken3.08

Balance0.68

Clean service matches19.5%

3+ breaks produced68.8%

Set 2 win51.9%

Clean Win / Comeback Index

Separates smooth 2-0 wins from matches where the player had to repair damage.

50.0%Clean 2-0 share among wins

Clean 2-0 wins23

Comeback signals42

Lost set 1, won match5

Comeback index54.5%

Surface Edge

Where the profile is most trustworthy and where the win rate really travels.

Primary surfaceHardcourt outdoor

Primary record25-15

Primary WR62.5%

Best surfaceClay 66.7%

Hardcourt outdoor25-1562.5%

Clay14-766.7%

Unknown4-450.0%

Hardcourt indoor3-442.9%

Odds Value Pulse

Shows whether the player wins as expected or creates value at outsider prices.

Avg win odds1.48

Avg loss odds2.03

Biggest win odds2.50

2.00+ odds WR35.3%

2.00+ sample17

Odds sample66

Decider Profile

How often matches become complicated, and whether the player survives the third set.

Three-set share32.5%

Decider record14-11

Set 3 win56.0%

After losing S117.9%

Close Set Risk

Tie-break and 7-5 / 7-6 pressure profile, useful for spotting fragile edges.

Close sets35-32

Close-set WR52.2%

Tie-breaks9-11

Matches with tight set49

Momentum Trend

Compares the latest 5 matches with the previous 10 so form shifts are visible immediately.

Stable form · 3 losses running

L L W W L W W L L L

Latest 5 WR40.0%

Previous 10 WR40.0%

Latest 52-3

Previous 104-6

Trend delta+0.0%

Latest 5 WR40.0%

Match log

All Sofia Costoulas matches in the TennisJack sample.

Scan date, tournament, surface, opponent, set score, result and service-return indicators before opening the deeper tools.

Open Player Research

Date	Match	Score	Result	Hold / Break
22.09.2026R32	Sofia Costoulas vs Tatiana ProzorovaWTA Singapore	7-5 6-7 2-6Hardcourt outdoor	Loss	Hold 75.0% Break 17.6%
08.09.2026	Sofia Costoulas vs Hina InoueW50 Guiyang	3-6 7-6 3-6Surface pending	Loss	Hold 71.4% Break 11.8%
04.09.2026	Sofia Costoulas vs Zhuoxuan BaiW75 Tianjin	6-1 1-6 3-6Surface pending	Loss	Hold 45.5% Break 41.7%
03.09.2026	Sofia Costoulas vs Kristiana SidorovaW75 Tianjin	6-1 6-2Surface pending	Win	Hold 87.5% Break 71.4%
02.09.2026	Sofia Costoulas vs Shiyu YeW75 Tianjin	7-6 6-3Surface pending	Win	Hold 81.8% Break 27.3%
14.08.2026	Sofia Costoulas vs Matilde JorgeW35 Vigo	6-7 0-6Surface pending	Loss	Hold 55.6% Break 10.0%
13.08.2026	Sofia Costoulas vs Sofia Camila RojasW35 Vigo	6-3 6-3Surface pending	Win	Hold 77.8% Break 55.6%
12.08.2026	Sofia Costoulas vs Eva Alvarez SandeW35 Vigo	6-1 6-1Surface pending	Win	Hold 85.7% Break 85.7%
04.08.2026R32	Sofia Costoulas vs Gabriela KnutsonWTA Warsaw	2-6 4-6Hardcourt outdoor	Loss	Hold 44.4% Break 22.2%
29.07.2026R16	Sofia Costoulas vs Maddison InglisWTA Vancouver	3-6 3-6Hardcourt outdoor	Loss	Hold 55.6% Break 11.1%
20.07.2026R32	Sofia Costoulas vs Ayla AksuWTA Prague	6-2 3-6 4-6Hardcourt outdoor	Loss	Hold 84.6% Break 14.3%
19.07.2026Round 19	Sofia Costoulas vs Ayla AksuWTA Prague	7-5 6-2Hardcourt outdoor	Win	Hold 90.0% Break 40.0%
18.07.2026Round 14	Sofia Costoulas vs Nao HibinoWTA Prague	6-7 7-5 6-4Hardcourt outdoor	Win	Hold 70.6% Break 35.3%
14.07.2026R32	Sofia Costoulas vs Tereza ValentovaWTA Athens	1-6 2-6Hardcourt outdoor	Loss	Hold 12.5% Break 28.6%
23.06.2026Round 14	Sofia Costoulas vs Storm HunterWimbledon Women	5-7 4-6Grass	Loss	Hold 72.7% Break 9.1%
01.06.2026R32	Sofia Costoulas vs Sapfo SakellaridiWTA Foggia	6-4 2-6 6-3Clay	Win	Hold 69.2% Break 35.7%
28.05.2026	Sofia Costoulas vs Nadia PodoroskaW75 Zaragoza	6-3 0-6 6-7Clay	Loss	Hold 57.1% Break 28.6%
27.05.2026	Sofia Costoulas vs Justina MikulskyteW75 Zaragoza	6-0 5-3Clay	Win	Hold 87.5% Break 71.4%
21.05.2026Round 19	Sofia Costoulas vs Hanyu GuoFrench Open Women	3-6 4-6Clay	Loss	Hold 55.6% Break 20.0%
20.05.2026Round 15	Sofia Costoulas vs Mai HontamaFrench Open Women	6-4 6-3Clay	Win	Hold 77.8% Break 50.0%
18.05.2026Round 14	Sofia Costoulas vs Tereza MrdezaFrench Open Women	6-0 6-2Clay	Win	Hold - Break -
01.05.2026QF	Sofia Costoulas vs Moyuka UchijimaWTA Saint-Malo	4-6 1-6Clay	Loss	Hold 44.4% Break 12.5%
29.04.2026R16	Sofia Costoulas vs Leolia JeanjeanWTA Saint-Malo	4-6 7-6 6-1Clay	Win	Hold 60.0% Break 46.7%
28.04.2026R32	Sofia Costoulas vs Ayla AksuWTA Saint-Malo	7-5 7-6Clay	Win	Hold 83.3% Break 23.1%
22.04.2026R16	Sofia Costoulas vs Elena PridankinaWTA Oeiras	2-6 3-6Clay	Loss	Hold 29.4% Break 33.3%
20.04.2026R32	Sofia Costoulas vs Anouk KoevermansWTA Oeiras	6-4 6-4Clay	Win	Hold 85.7% Break 30.0%
17.04.2026	Sofia Costoulas vs Polona HercogW75 Portoroz	1-6 2-6Clay	Loss	Hold 28.6% Break 12.5%
16.04.2026	Sofia Costoulas vs Carlota Martinez CirezW75 Portoroz	6-1 5-4Clay	Win	Hold 66.7% Break 75.0%
31.03.2026R32	Sofia Costoulas vs Hanne VandewinkelWTA Bogota	3-6 6-2 3-6Clay	Loss	Hold 53.9% Break 38.5%
22.03.2026	Sofia Costoulas vs Yexin MaW75 Kofu	7-5 6-3Hardcourt outdoor	Win	Hold 72.7% Break 50.0%
21.03.2026	Sofia Costoulas vs Haruka KajiW75 Kofu	6-1 6-0Hardcourt outdoor	Win	Hold 100.0% Break 85.7%
20.03.2026	Sofia Costoulas vs Hayu KinoshitaW75 Kofu	6-4 2-6 7-5Hardcourt outdoor	Win	Hold 60.0% Break 40.0%
19.03.2026	Sofia Costoulas vs Claire LiuW75 Kofu	6-7 6-3 7-6Hardcourt outdoor	Win	Hold 64.7% Break 38.9%
17.03.2026	Sofia Costoulas vs Raluca Georgiana SerbanW75 Kofu	6-3 6-4Hardcourt outdoor	Win	Hold 70.0% Break 55.6%
11.03.2026	Sofia Costoulas vs Kyoka OkamuraW75 Kyoto	4-6 6-7Hardcourt indoor	Loss	Hold 72.7% Break 16.7%
04.03.2026	Sofia Costoulas vs Xinyu GaoW50 Helsinki	5-7 2-6Surface pending	Loss	Hold 60.0% Break 10.0%
20.02.2026QF	Sofia Costoulas vs Fiona FerroWTA Les Sables d'Olonne	4-6 3-6Hardcourt outdoor	Loss	Hold 66.7% Break 10.0%
18.02.2026R16	Sofia Costoulas vs Astrid Lew Yan FoonWTA Les Sables d'Olonne	6-2 6-2Hardcourt outdoor	Win	Hold 100.0% Break 50.0%
16.02.2026R32	Sofia Costoulas vs Chloe PaquetWTA Les Sables d'Olonne	6-1 6-2Hardcourt outdoor	Win	Hold 87.5% Break 71.4%
29.01.2026QF	Sofia Costoulas vs Tatiana ProzorovaWTA Manila	6-4 2-6 4-6Hardcourt outdoor	Loss	Hold 71.4% Break 14.3%
28.01.2026R16	Sofia Costoulas vs Yexin MaWTA Manila	6-2 6-4Hardcourt outdoor	Win	Hold 100.0% Break 33.3%
26.01.2026R32	Sofia Costoulas vs Viktoria MorvayovaWTA Manila	6-7 7-6 6-4Hardcourt outdoor	Win	Hold 82.3% Break 21.1%
23.01.2026	Sofia Costoulas vs Alina KorneevaW75 Manama	3-6 1-6Hardcourt outdoor	Loss	Hold 37.5% Break 12.5%
22.01.2026	Sofia Costoulas vs Camilla RosatelloW75 Manama	6-1 6-3Hardcourt outdoor	Win	Hold 75.0% Break 75.0%
20.01.2026	Sofia Costoulas vs Wushuang ZhengW75 Manama	6-3 4-6 6-2Hardcourt outdoor	Win	Hold 50.0% Break 69.2%
13.01.2026Round 14	Sofia Costoulas vs Lanlana TararudeeAustralian Open Women	4-6 3-6Hardcourt outdoor	Loss	Hold 44.4% Break 30.0%
09.01.2026QF	Sofia Costoulas vs Iva JovicWTA Auckland	2-6 6-7Hardcourt outdoor	Loss	Hold 50.0% Break 27.3%
07.01.2026R16	Sofia Costoulas vs Kaitlin QuevedoWTA Auckland	6-2 6-0Hardcourt outdoor	Win	Hold 100.0% Break 71.4%
05.01.2026R32	Sofia Costoulas vs Whitney OsuigweWTA Auckland	6-4 3-6 6-1Hardcourt outdoor	Win	Hold 76.9% Break 38.5%
04.01.2026Round 19	Sofia Costoulas vs Veronika ErjavecWTA Auckland	6-3 4-6 6-3Hardcourt outdoor	Win	Hold 85.7% Break 28.6%
03.01.2026Round 45	Sofia Costoulas vs Elyse TseWTA Auckland	6-0 6-1Hardcourt outdoor	Win	Hold 100.0% Break 83.3%
26.11.2025	Sofia Costoulas vs Mimi XuITF W50 Ortisei	6-2 3-6 2-6Hardcourt indoor	Loss	Hold 75.0% Break 15.4%
25.11.2025	Sofia Costoulas vs Noma Noha AkugueITF W50 Ortisei	7-6 6-3Hardcourt indoor	Win	Hold 81.8% Break 27.3%
19.11.2025	Sofia Costoulas vs Mia RisticITF W50 Trnava	6-4 3-6 6-7Hardcourt indoor	Loss	Hold 93.3% Break 5.9%
31.10.2025	Sofia Costoulas vs Kajsa Rinaldo PerssonITF W75 Glasgow	5-7 6-4 6-7Hardcourt indoor	Loss	Hold 76.5% Break 22.2%
30.10.2025	Sofia Costoulas vs Julia AvdeevaITF W75 Glasgow	6-1 6-4Hardcourt indoor	Win	Hold 100.0% Break 37.5%
29.10.2025	Sofia Costoulas vs Matilde JorgeITF W75 Glasgow	6-2 4-6 5-2Hardcourt indoor	Win	Hold 61.5% Break 61.5%
25.10.2025SF	Sofia Costoulas vs Lucrezia StefaniniWTA Rovereto	3-6 5-7Hardcourt outdoor	Loss	Hold 40.0% Break 40.0%
24.10.2025QF	Sofia Costoulas vs Darja SemenistajaWTA Rovereto	4-6 6-3 6-3Hardcourt outdoor	Win	Hold 64.3% Break 50.0%
22.10.2025R16	Sofia Costoulas vs Jana FettWTA Rovereto	6-4 3-6 6-3Hardcourt outdoor	Win	Hold 50.0% Break 57.1%
21.10.2025R32	Sofia Costoulas vs Radka ZelnickovaWTA Rovereto	6-2 6-4Hardcourt outdoor	Win	Hold 100.0% Break 33.3%
16.10.2025	Sofia Costoulas vs Alexis BlokhinaITF W75 Quinta do Lago	2-6 0-6Hardcourt outdoor	Loss	Hold 28.6% Break 0.0%
15.10.2025	Sofia Costoulas vs Francesca CurmiITF W75 Quinta do Lago	6-2 6-3Hardcourt outdoor	Win	Hold 100.0% Break 37.5%
03.10.2025QF	Sofia Costoulas vs Linda KlimovicovaWTA Samsun	3-6 4-6Hardcourt outdoor	Loss	Hold 55.6% Break 20.0%
02.10.2025R16	Sofia Costoulas vs Lina GjorcheskaWTA Samsun	6-1 6-4Hardcourt outdoor	Win	Hold 100.0% Break 37.5%
01.10.2025R32	Sofia Costoulas vs Weronika FalkowskaWTA Samsun	7-6 6-4Hardcourt outdoor	Win	Hold 90.9% Break 16.7%
11.09.2025	Sofia Costoulas vs Gina Marie DittmannITF W75 Le Neubourg	6-3 6-2Hardcourt outdoor	Win	Hold 87.5% Break 55.6%
10.09.2025	Sofia Costoulas vs Georgia KalamarisITF W75 Le Neubourg	6-2 6-1Hardcourt outdoor	Win	Hold 100.0% Break 62.5%
30.08.2025	Sofia Costoulas vs Ayla AksuITF W35 Heraklion	6-2 1-6 6-3Clay	Win	Hold 72.7% Break 33.3%
29.08.2025	Sofia Costoulas vs Jenna DefalcoITF W35 Heraklion	7-5 6-0Clay	Win	Hold 88.9% Break 55.6%
28.08.2025	Sofia Costoulas vs Naiktha BainsITF W35 Heraklion	6-3 5-7 6-2Clay	Win	Hold 66.7% Break 50.0%
27.08.2025	Sofia Costoulas vs Tenika McgiffinITF W35 Heraklion	6-2 6-2Clay	Win	Hold 75.0% Break 75.0%
18.08.2025Round 14	Sofia Costoulas vs Katie VolynetsUS Open Women	3-6 4-6Hardcourt outdoor	Loss	Hold 30.0% Break 44.4%
09.07.2025	Sofia Costoulas vs Vitalia DiatchenkoITF W50 Corroios-Seixal	6-1 6-7 3-6Hardcourt outdoor	Loss	Hold - Break -
12.06.2025	Sofia Costoulas vs Aliona Bolsova ZadoinovITF W100 Biarritz	7-6 6-4Clay	Win	Hold - Break -
11.06.2025	Sofia Costoulas vs Nastasja SchunkITF W100 Biarritz	6-1 6-3Clay	Win	Hold 100.0% Break 50.0%
01.06.2025	Sofia Costoulas vs Amarissa Kiara TothITF W50 Otocec	3-6 3-6Clay	Loss	Hold - Break -