Sofia Costoulas
S. Costoulas · Belgium
Every match we have on file, with the price the market gave them at the time.
Last five
LLLWL
2026 record
32-28
Hard 17-17 · Clay 10-10 · Grass 0-1
Average price
1.74
Match history
| Date | Event | Opponent | Score | Their price | Market | Result |
|---|---|---|---|---|---|---|
| 2026-10-27 | Queretaro | V. Strakhova | 1.30 | 74% | LOST | |
Games in each set4-6 3-6 CostoulasStrakhovaPoints won46%54%Serve points won49%56%Return points won44%51%Games held4 of 97 of 10Break points saved7 of 126 of 9Aces14Double faults44 | ||||||
| 2026-10-05 | Suzhou | D. Astakhova | RET | 1.71 | 54% | LOST |
Games in each set3-6 CostoulasAstakhovaPoints won45%55%Serve points won30%45%Return points won55%70%Games held0 of 42 of 5Break points saved4 of 83 of 6Aces22Double faults10 | ||||||
| 2026-10-01 | Jingshan | S. Lansere | 1.30 | 71% | LOST | |
Games in each set3-6 4-6 CostoulasLanserePoints won44%56%Serve points won50%62%Return points won38%50%Games held5 of 98 of 10Break points saved6 of 107 of 9Aces24Double faults16 | ||||||
| 2026-09-29 | Jingshan | K. Mladenovic | 1.19 | 80% | WON | |
Games in each set6-2 7-5 CostoulasMladenovicPoints won56%44%Serve points won63%51%Return points won49%37%Games held9 of 106 of 10Break points saved4 of 56 of 10Aces31Double faults44 | ||||||
| 2026-09-21 | Singapore | T. Prozorova | 2.31 | 58% | LOST | |
Games in each set7-5 6-7 2-6 CostoulasProzorovaPoints won47%53%Serve points won61%68%Return points won32%39%Games held12 of 1613 of 16Break points saved6 of 104 of 7Aces55Double faults53 | ||||||
| 2026-09-08 | W50 Guiyang | H. Inoue | 1.16 | 79% | LOST | |
Games in each set3-6 7-6 3-6 CostoulasInouePoints won46%54%Serve points won60%64%Return points won36%40%Games held10 of 1414 of 17Break points saved1 of 59 of 11 | ||||||
| 2026-09-04 | W75 Tianjin (China) | Z. Bai | — | — | LOST | |
Games in each set6-1 1-6 3-6 CostoulasBaiPoints won46%54%Serve points won50%59%Return points won41%50%Games held5 of 127 of 12Break points saved2 of 80 of 5 | ||||||
| 2026-09-03 | W75 Tianjin (China) | K. Sidorova | 1.34 | 71% | WON | |
Games in each set6-1 6-2 CostoulasSidorovaPoints won68%32%Serve points won77%40%Return points won60%23%Games held7 of 82 of 7Break points saved0 of 12 of 7 | ||||||
| 2026-09-02 | W75 Tianjin (China) | S. Ye | — | — | WON | |
Games in each set7-6 6-3 CostoulasYePoints won52%48%Serve points won66%60%Return points won40%34%Games held9 of 117 of 12Break points saved1 of 37 of 10 | ||||||
| 2026-08-27 | US Open | E. Kalieva | 1.96 | 51% | LOST | |
Games in each set6-3 3-6 4-6 CostoulasKalievaPoints won48%52%Serve points won57%61%Return points won39%43%Games held10 of 1411 of 14Break points saved6 of 105 of 8Aces45Double faults33 | ||||||
| 2026-08-26 | US Open | J. Ruggeri | 1.18 | 82% | WON | |
Games in each set7-5 6-4 CostoulasRuggeriPoints won54%46%Serve points won65%54%Return points won46%35%Games held9 of 117 of 11Break points saved3 of 59 of 13Aces24Double faults39 | ||||||
| 2026-08-14 | W35 Vigo | M. Jorge | 1.28 | 72% | LOST | |
Games in each set6-7 0-6 CostoulasJorgePoints won45%55%Serve points won55%63%Return points won37%45%Games held5 of 109 of 10Break points saved2 of 64 of 5 | ||||||
| 2026-08-13 | W35 Vigo | S. C. Rojas | — | — | WON | |
Games in each set6-3 6-3 CostoulasRojasPoints won57%43%Serve points won61%47%Return points won53%39%Games held7 of 94 of 9Break points saved3 of 52 of 7 | ||||||
| 2026-08-12 | W35 Vigo | E. Alvarez Sande | 1.02 | 96% | WON | |
Games in each set6-1 6-1 CostoulasSandePoints won62%38%Serve points won64%40%Return points won60%36%Games held7 of 81 of 7Break points saved1 of 24 of 10 | ||||||
| 2026-08-04 | Warsaw | G. Knutson | 1.55 | 62% | LOST | |
Games in each set2-6 4-6 CostoulasKnutsonPoints won43%57%Serve points won48%62%Return points won38%52%Games held4 of 97 of 9Break points saved3 of 85 of 7Aces01Double faults15 | ||||||
| 2026-07-30 | Vancouver | M. Inglis | — | — | LOST | |
Games in each set3-6 3-6 CostoulasInglisPoints won41%59%Serve points won52%69%Return points won31%48%Games held5 of 98 of 9Break points saved1 of 51 of 2Aces10Double faults42 | ||||||
| 2026-07-29 | Vancouver | L. Cabrera | 1.33 | 72% | WON | |
Games in each set6-2 6-2 CostoulasCabreraPoints won58%42%Serve points won63%47%Return points won53%37%Games held7 of 83 of 8Break points saved3 of 47 of 12Aces22Double faults24 | ||||||
| 2026-07-20 | Livesport Prague Open | A. Aksu | 1.38 | 71% | LOST | |
Games in each set6-2 3-6 4-6 CostoulasAksuPoints won47%53%Serve points won62%69%Return points won31%38%Games held11 of 1312 of 14Break points saved7 of 95 of 7Aces23Double faults24 | ||||||
| 2026-07-19 | Livesport Prague Open | A. Aksu | 1.52 | 63% | WON | |
Games in each set7-5 6-2 CostoulasAksuPoints won56%44%Serve points won69%55%Return points won45%31%Games held9 of 106 of 10Break points saved1 of 22 of 6Aces32Double faults14 | ||||||
| 2026-07-18 | Livesport Prague Open | N. Hibino | 1.90 | 51% | WON | |
Games in each set6-7 7-5 6-4 CostoulasHibinoPoints won51%49%Serve points won58%55%Return points won45%42%Games held12 of 1710 of 17Break points saved10 of 1511 of 18Aces73Double faults53 | ||||||
| 2026-07-14 | Athens (Greece) - Qualification | T. Valentova | 4.99 | 80% | LOST | |
Games in each set1-6 2-6 CostoulasValentovaPoints won40%60%Serve points won37%56%Return points won44%63%Games held1 of 85 of 7Break points saved7 of 147 of 9Aces04Double faults53 | ||||||
| 2026-06-23 | Wimbledon | S. Hunter | 2.49 | 61% | LOST | |
Games in each set5-7 4-6 CostoulasHunterPoints won45%55%Serve points won61%72%Return points won28%39%Games held8 of 1110 of 11Break points saved2 of 51 of 2Aces82Double faults21 | ||||||
| 2026-06-03 | Foggia (Italy) | T. Pieri | RET | 1.18 | 81% | LOST |
Games in each set6-1 3-2 CostoulasPieriPoints won67%33%Serve points won78%41%Return points won59%22%Games held5 of 62 of 6Break points saved0 of 11 of 5Aces60Double faults02 | ||||||
| 2026-06-01 | Foggia (Italy) | S. Sakellaridi | 1.12 | 85% | WON | |
Games in each set6-4 2-6 6-3 CostoulasSakellaridiPoints won52%48%Serve points won59%55%Return points won45%41%Games held9 of 139 of 14Break points saved2 of 63 of 8Aces46Double faults94 | ||||||
| 2026-05-28 | W75 Zaragoza (Spain) | N. Podoroska | 1.55 | 62% | LOST | |
Games in each set6-3 0-6 6-7 | ||||||
| 2026-05-27 | W75 Zaragoza (Spain) | J. Mikulskyte | 1.21 | 79% | WON | |
Games in each set6-0 6-3 | ||||||
| 2026-05-21 | French Open | H. Guo | 1.62 | 60% | LOST | |
Games in each set3-6 4-6 CostoulasGuoPoints won47%53%Serve points won56%58%Return points won42%44%Games held5 of 98 of 10Break points saved2 of 64 of 6Aces11Double faults22 | ||||||
| 2026-05-20 | French Open | M. Hontama | 1.36 | 71% | WON | |
Games in each set6-4 6-3 CostoulasHontamaPoints won53%47%Serve points won58%52%Return points won48%42%Games held7 of 95 of 10Break points saved1 of 33 of 8Aces30Double faults52 | ||||||
| 2026-05-18 | French Open | T. Mrdeza | 1.03 | 94% | WON | |
Games in each set6-0 6-2 CostoulasMrdezaPoints won66%34%Serve points won67%35%Return points won65%33%Games held6 of 71 of 7Break points saved0 of 16 of 12Aces21Double faults15 | ||||||
| 2026-05-05 | Istanbul (Turkey) - Qualification | M. Ristic | RET | — | — | LOST |
Games in each set6-2 5-5 CostoulasRisticPoints won54%46%Serve points won61%53%Return points won47%39%Games held7 of 95 of 9Break points saved4 of 62 of 6Aces30Double faults01 | ||||||
| 2026-05-01 | Saint Malo | M. Uchijima | 2.60 | 63% | LOST | |
Games in each set4-6 1-6 CostoulasUchijimaPoints won42%58%Serve points won46%62%Return points won38%54%Games held4 of 97 of 8Break points saved5 of 104 of 5Aces30Double faults22 | ||||||
| 2026-04-29 | Saint Malo | L. Jeanjean | 2.78 | 66% | WON | |
Games in each set4-6 7-6 6-1 CostoulasJeanjeanPoints won55%45%Serve points won57%47%Return points won53%43%Games held9 of 157 of 14Break points saved9 of 157 of 14Aces94Double faults33 | ||||||
| 2026-04-28 | Saint Malo | A. Aksu | 1.96 | 51% | WON | |
Games in each set7-5 7-6 CostoulasAksuPoints won53%47%Serve points won65%59%Return points won41%35%Games held10 of 129 of 12Break points saved3 of 54 of 7Aces33Double faults23 | ||||||
| 2026-04-22 | Oeiras 4 (Portugal) - Qualification | E. Pridankina | 1.65 | 58% | LOST | |
Games in each set2-6 3-6 CostoulasPridankinaPoints won43%57%Serve points won43%56%Return points won44%57%Games held2 of 86 of 9Break points saved4 of 100 of 3Aces00Double faults93 | ||||||
| 2026-04-20 | Oeiras 4 (Portugal) - Qualification | A. Koevermans | 2.53 | 62% | WON | |
Games in each set6-4 6-4 CostoulasKoevermansPoints won54%46%Serve points won68%60%Return points won40%32%Games held9 of 107 of 10Break points saved2 of 32 of 5Aces23Double faults53 | ||||||
| 2026-04-17 | W75 Portoroz (Slovenia) | P. Hercog | 2.29 | 58% | LOST | |
Games in each set1-6 2-6 | ||||||
| 2026-04-16 | W75 Portoroz (Slovenia) | C. Martinez Cirez | 1.34 | 71% | WON | |
Games in each set6-1 6-4 | ||||||
| 2026-03-31 | Bogota | H. Vandewinkel | 2.81 | 65% | LOST | |
Games in each set3-6 6-2 3-6 CostoulasVandewinkelPoints won48%52%Serve points won51%54%Return points won46%49%Games held7 of 138 of 13Aces03Double faults76 | ||||||
| 2026-03-22 | W75 Kofu (Japan), Hard | Y. Ma | — | — | WON | |
Games in each set7-5 6-3 | ||||||
| 2026-03-21 | W75 Kofu (Japan), Hard | H. Kaji | 1.31 | 73% | WON | |
Games in each set6-1 6-0 | ||||||
Backing and fading
51 matches with a price on fileEvery match where we recorded a price before play. A figure is only coloured when its 90% range excludes zero — otherwise the sample cannot tell the difference between an edge and a run of luck.
All matches
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When favourite
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When underdog
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After the first setAcross 73,863 matches on file, the player who drops the opening set wins 17% of the time.
Lost the opening set——Won the opening set——
Running total
Physical history
Retirements, walkovers and medical timeouts on file, newest first.
Challenger Hard retired 0 - 1 v D. Astakhova
Challenger Clay retired 0 - 1 v T. Pieri
Challenger Clay retired 0 - 1 v M. Ristic
medical timeout 5 that season
last MTO 27.08.2026 · 5 MTOs in 2026 · score 3-6 0-0 (00 - 00') ⌚️45 m · odds 3.35-1.28 / 1.93 +4.5 | -4.5 1.77 · Hard
medical timeout 4 that season
last MTO 03.06.2026 · 4 MTOs in 2026 · score 3-6 4-3 (30 - 00') ⌚️89 m · odds 2.4-1.55 / 1.92 +2.5 | -2.5 1.83 · Hard
medical timeout
last MTO 05.05.2026 · score 1-6 1-3 (15 - 15') · odds ---
medical timeout
last MTO 26.01.2026 · score 2-6 4-5 (00 - 00') · odds 9.50-1.03
medical timeout
last MTO 12.09.2025 · score 6-7 1-2 (00 - 00') · odds 2.65-1.45