Belgium World No. 159 Sofia Costoulas is 27–27 in 2026.
Sofia Costoulas went out of Suzhou in the round of 32, losing to Darya Astakhova.
As of 9 October 2026, 01:12 UTC.
Next match
Opponent, time and what people predict.
Sofia Costoulas is out of Suzhou: lost the round of 32 to Darya Astakhova. The next tournament appears here once a draw is published.
World ranking
No. 159
No change since 28 Sept
2026 season
27–27
Last 5 matches
L L W L L
Career titles
0
27–27
2026 record
54 matches through 5 Oct.
- Hard
- 19–18
- Clay
- 8–8
- Grass
- 0–1
4
Match winning streak
At Auckland, 2 Jan to 7 Jan.
- Deciding sets
- 7–8
- Tiebreaks
- 4–7
Tournament Run
Sofia Costoulas’s road through Suzhou 2026.
-
Round of 32
Lost 3–6 ret.
News & Insights
What is happening around Sofia Costoulas - headlines from our approved sources, links go to the source.
No fresh headlines about Sofia Costoulas from our sources yet.
Serve & return, 2026
How the points are won, from the match statistics api-tennis records. The tick on each bar is the median of the WTA top 100.
24 matches with statistics
On serve 4 points better than the WTA median at holding serve
- Aces per match
- 3.5 tour median 2.8 · more than most
- Double faults per match
- 2.6 tour median 3.6 · fewer than most
- 1st serve points won
- 67% tour median 65%
- 2nd serve points won
- 47% tour median 46%
- Service games held
- 72% tour median 68%
- Break points saved
- 59% tour median 56%
On return 5 points worse than the WTA median at converting break points
- Return games won
- 33% tour median 37%
- Break points converted
- 41% tour median 46%
Career
0 singles titles · best year-end No. 163 (2025). Year-end singles ranking by season, from api-tennis.
Results
Every singles result on record, newest first. Opponents link to their page and the score to the match page, where we have one; "people predicted" is this player's Polymarket price before the match.
| Date | Result | Opponent | Tournament | Score | People predicted |
|---|---|---|---|---|---|
| 5 Oct 2026 | L | Darya Astakhova | Suzhou · Round of 32 | 3–6 ret. | |
| 1 Oct 2026 | L |  Sofya Lansere | Jingshan · Round of 16 | 3–6 4–6 | |
| 29 Sept 2026 | W |  Kristina Mladenovic | Jingshan · Round of 32 | 6–2 7–5 | |
| 22 Sept 2026 | L |  Tatiana Prozorova | Singapore Open · Round of 32 | 7–5 6–7(2) 2–6 | |
| 8 Sept 2026 | L | Hina Inoue | W50 Guiyang · Round of 32 | 3–6 7–6(3) 3–6 | |
| 4 Sept 2026 | L |  Zhuoxuan Bai | W75 Tianjin (China) · Quarter-finals | 6–1 1–6 3–6 | |
| 3 Sept 2026 | W |  Kristiana Sidorova | W75 Tianjin (China) · Round of 16 | 6–1 6–2 | |
| 2 Sept 2026 | W | Shiyu Ye | W75 Tianjin (China) · Round of 32 | 7–6(4) 6–3 |
Show next 20 of 46 more
| 26 Aug 2026 | L |  Elvina Kalieva | US Open · Qualifying semi-finals | 6–3 3–6 4–6 | |
| 25 Aug 2026 | W |  Jennifer Ruggeri | US Open · Qualifying quarter-finals | 7–5 6–4 | |
| 14 Aug 2026 | L |  Matilde Jorge | W35 Vigo · Quarter-finals | 6–7(5) 0–6 | |
| 13 Aug 2026 | W | Sofia Camila Rojas | W35 Vigo · Round of 16 | 6–3 6–3 | |
| 12 Aug 2026 | W | Eva Alvarez Sande | W35 Vigo · Round of 32 | 6–1 6–1 | |
| 4 Aug 2026 | L |  Gabriela Knutson | Warsaw · Round of 32 | 2–6 4–6 | |
| 29 Jul 2026 | L |  Maddison Inglis | Vancouver · Round of 16 | 3–6 3–6 | |
| 29 Jul 2026 | W |  Lizette Cabrera | Vancouver · Round of 32 | 6–2 6–2 | |
| 20 Jul 2026 | L |  Ayla Aksu | Livesport Prague Open · Round of 32 | 6–2 3–6 4–6 | |
| 19 Jul 2026 | W | Ayla Aksu | Livesport Prague Open · Qualifying final | 7–5 6–2 | |
| 18 Jul 2026 | W |  Nao Hibino | Livesport Prague Open · Qualifying semi-finals | 6–7(4) 7–5 6–4 | |
| 14 Jul 2026 | L |  Tereza Valentova | Athens (Greece) · Round of 32 | 1–6 2–6 | |
| 23 Jun 2026 | L |  Storm Hunter | Wimbledon · Qualifying quarter-finals | 5–7 4–6 | |
| 3 Jun 2026 | L |  Tatiana Pieri | Foggia (Italy) · Round of 16 | 6–1 3–2 ret. | |
| 1 Jun 2026 | W |  Sapfo Sakellaridi | Foggia (Italy) · Round of 32 | 6–4 2–6 6–3 | |
| 28 May 2026 | L |  Nadia Podoroska | W75 Zaragoza (Spain) · Round of 16 | 6–3 0–6 6–7(5) | |
| 27 May 2026 | W |  Justina Mikulskyte | W75 Zaragoza (Spain) · Round of 32 | 6–0 6–3 | |
| 21 May 2026 | L |  Hanyu Guo | French Open · Qualifying final | 3–6 4–6 | |
| 20 May 2026 | W |  Mai Hontama | French Open · Qualifying semi-finals | 6–4 6–3 | |
| 18 May 2026 | W | T. Mrdeza | French Open · Qualifying quarter-finals | 6–0 6–2 |
Show next 20 of 26 more
| 5 May 2026 | L |  Mia Ristic | Istanbul (Turkey) · Round of 32 | 6–2 5–5 ret. | |
| 1 May 2026 | L | Maiko Uchijima | Saint Malo · Quarter-finals | 4–6 1–6 | |
| 29 Apr 2026 | W |  Leolia Jeanjean | Saint Malo · Round of 16 | 4–6 7–6(1) 6–1 | |
| 28 Apr 2026 | W | Ayla Aksu | Saint Malo · Round of 32 | 7–5 7–6 | |
| 22 Apr 2026 | L |  Elena Pridankina | Oeiras 4 (Portugal) · Round of 16 | 2–6 3–6 | |
| 20 Apr 2026 | W |  Anouk Koevermans | Oeiras 4 (Portugal) · Round of 32 | 6–4 6–4 | |
| 17 Apr 2026 | L |  Polona Hercog | W75 Portoroz (Slovenia) · Round of 16 | 1–6 2–6 | |
| 16 Apr 2026 | W |  Carlota Martinez Cirez | W75 Portoroz (Slovenia) · Round of 32 | 6–1 6–4 | |
| 31 Mar 2026 | L |  Hanne Vandewinkel | Bogota · Round of 32 | 3–6 6–2 3–6 | |
| 11 Mar 2026 | L |  Kyoka Okamura | W75 Kyoto · Round of 32 | 4–6 6–7(5) | |
| 4 Mar 2026 | L |  Xinyu Gao | W50 Helsinki · Round of 32 | 5–7 2–6 | |
| 20 Feb 2026 | L |  Fiona Ferro | Les Sables d'Olonne · Quarter-finals | 4–6 3–6 | |
| 18 Feb 2026 | W | Astrid Lew Yan Foon | Les Sables d'Olonne · Round of 16 | 6–2 6–2 | |
| 16 Feb 2026 | W |  Chloe Paquet | Les Sables d'Olonne · Round of 32 | 6–1 6–2 | |
| 29 Jan 2026 | L | Tatiana Prozorova | Manila · Quarter-finals | 6–4 2–6 4–6 | |
| 28 Jan 2026 | W |  Yexin Ma | Manila · Round of 16 | 6–2 6–4 | |
| 26 Jan 2026 | W | Viktoria Morvayova | Manila · Round of 32 | 6–7(8) 7–6(4) 6–4 | |
| 23 Jan 2026 | L |  Alina Korneeva | W75 Manama · Quarter-finals | 3–6 1–6 | |
| 22 Jan 2026 | W | Camilla Rosatello | W75 Manama · Round of 16 | 6–1 6–3 | |
| 20 Jan 2026 | W |  Wushuang Zheng | W75 Manama · Round of 32 | 6–3 4–6 6–2 |
Show next 6 of 6 more
| 13 Jan 2026 | L |  Lanlana Tararudee | Australian Open · Qualifying quarter-finals | 4–6 3–6 | |
| 9 Jan 2026 | L |  Iva Jovic | Auckland · Quarter-finals | 2–6 6–7(6) | |
| 7 Jan 2026 | W |  Kaitlin Quevedo | Auckland · Round of 16 | 6–2 6–0 | |
| 5 Jan 2026 | W |  Whitney Osuigwe | Auckland · Round of 32 | 6–4 3–6 6–1 | |
| 3 Jan 2026 | W |  Veronika Erjavec | Auckland · Qualifying final | 6–3 4–6 6–3 | |
| 2 Jan 2026 | W | Elyse Tse | Auckland · Qualifying semi-finals | 6–0 6–1 |