Sofia Costoulas (born 2 April 2005) is a Belgian tennis player.
Sofia Costoulas| Country (sports) |  Belgium |
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| Born | (2005-04-02) 2 April 2005 (age 19)
Genk, Belgium |
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| Plays | Right-handed (two-handed backhand) |
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| Prize money | US$68,427 |
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| Career record | 113–83 |
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| Career titles | 2 ITF |
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| Highest ranking | No. 248 (8 January 2024) |
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| Current ranking | No. 287 (4 November 2024) |
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| Career record | 53–38 |
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| Career titles | 3 ITF |
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| Highest ranking | No. 229 (25 September 2023) |
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| Current ranking | No. 553 (4 November 2024) |
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| Last updated on: 4 November 2024. |
Costoulas has a Greek–Congolese father and a Belgian mother.[1]
Costoulas has a career-high singles ranking by the Women's Tennis Association (WTA) of 248 and a best doubles ranking of 229.
On the ITF Junior Circuit, she had a career-high combined ranking of No. 2, achieved on 18 April 2022. She lost the girls' singles final of the 2022 Australian Open to Petra Marčinko.[2] She had already reached the Wimbledon junior doubles final in 2021.
Singles:
- Australian Open: F (2022)
- French Open: 2R (2021)
- Wimbledon: 2R (2021)
- US Open: 3R (2021, 2022)
Doubles:
- Australian Open: QF (2020)
- French Open: SF (2022)
- Wimbledon: F (2021)
- US Open: 2R (2022)
Singles: 8 (2 titles, 6 runner-ups)
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| Legend
|
| W25/35 tournaments
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| W15 tournaments
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|
| Finals by surface
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| Hard (1–5)
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| Clay (1–1)
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|
| Result
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W–L
|
Date
|
Tournament
|
Tier
|
Surface
|
Opponent
|
Score
|
| Loss
|
0–1
|
Feb 2021
|
ITF Sharm El Sheikh, Egypt
|
W15
|
Hard
|
Magali Kempen
|
3–6, 2–6
|
| Loss
|
0–2
|
Dec 2021
|
ITF Monastir, Tunisia
|
W15
|
Hard
|
 Eudice Chong
|
6–3, 4–6, 6–7(5)
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| Loss
|
0–3
|
Jan 2022
|
ITF Monastir, Tunisia
|
W15
|
Hard
|
 Akvilė Paražinskaitė
|
5–7, 2–6
|
| Loss
|
0–4
|
Jun 2022
|
ITF Gurugram, India
|
W25
|
Hard
|
 Karman Thandi
|
4–6, 6–2, 1–6
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| Win
|
1–4
|
May 2023
|
ITF Feld am See, Austria
|
W25
|
Clay
|
Lara Salden
|
6–3, 6–1
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| Loss
|
1–5
|
Nov 2023
|
ITF Limassol, Cyprus
|
W25
|
Hard
|
Hanne Vandewinkel
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2–6, 6–4, 4–6
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| Win
|
2–5
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Dec 2023
|
ITF Limassol, Cyprus
|
W25
|
Hard
|
 Silvia Ambrosio
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6–1, 6–3
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| Loss
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2–6
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May 2024
|
ITF Klagenfurt, Austria
|
W35
|
Clay
|
Marie Benoît
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1–6, 3–6
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Doubles: 9 (3 titles, 6 runner-ups)
edit
| Legend
|
| W60 tournaments
|
| W40/50 tournaments
|
| W25 tournaments
|
| W15 tournaments
|
|
| Finals by surface
|
| Hard (1–5)
|
| Clay (2–1)
|
|
| Result
|
W–L
|
Date
|
Tournament
|
Tier
|
Surface
|
Partner
|
Opponents
|
Score
|
| Loss
|
1–0
|
Feb 2022
|
ITF Monastir, Tunisia
|
W15
|
Hard
|
 Clervie Ngounoue
|
 Kristina Dmitruk
 Maria Sholokhova
|
6–3, 2–6, [5–10]
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| Win
|
1–1
|
Oct 2022
|
ITF Hua Hin, Thailand
|
W25
|
Hard
|
 Punnin Kovapitukted
|
 Risa Ushijima
 Wi Hwi-won
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6–1, 6–2
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| Loss
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1–2
|
Mar 2023
|
ITF Pretoria, South Africa
|
W60
|
Hard
|
Dalila Spiteri
|
Mai Hontama
 Alice Tubello
|
3–6, 3–6
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| Loss
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1–3
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May 2023
|
ITF Feld am See, Austria
|
W25
|
Clay
|
 Kayla Cross
|
 Denisa Hindová
Chiara Scholl
|
2–6, 0–6
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| Win
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2–3
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Jun 2023
|
ITF Troisdorf, Germany
|
W25
|
Clay
|
Lara Salden
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Chiara Scholl
Tilwith Di Girolami
|
7–6(4), 6–4
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| Win
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3–3
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Jun 2023
|
ITF Tainan, Taiwan
|
W25
|
Clay
|
 Li Yu-yun
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Lee Ya-hsin
Lee Ya-hsuan
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6–4, 6–4
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| Loss
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3–4
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Jul 2023
|
ITF Corroios, Portugal
|
W25
|
Hard
|
 Lulu Sun
|
 Talia Gibson
Petra Hule
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3–6, 6–3, [6–10]
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| Loss
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3–5
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Sep 2023
|
ITF Leiria, Portugal
|
W25
|
Hard
|
Jenny Dürst
|
 Francisca Jorge
Matilde Jorge
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5–7, 6–7(5)
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| Loss
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3–6
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Feb 2024
|
ITF Pretoria, South Africa
|
W50
|
Hard
|
Hanne Vandewinkel
|
 Lina Glushko
Gabriela Knutson
|
6–7(5), 6–7(4)
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Junior Grand Slam tournament finals
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Girls' singles: 1 (runner-up)
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Girls' doubles: 1 (runner-up)
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Belgium