

The basics
Quick facts
Intro
Belgian tennis player
Gender:
Female
Places:
Work field:
Birth:
2 April 2005
Star sign:
The details
Biography
Introduction
Sofia Costoulas (born 2 April 2005) is a Belgian tennis player.
Costoulas has a Greek–Congolese father and a Belgian mother.
Costoulas has a career-high singles ranking by the Women's Tennis Association (WTA) of 281 and a best doubles ranking of 253.
On the ITF Junior Circuit, she had a career-high combined ranking of No. 2, achieved on 18 April 2022. She lost the final of the 2022 Australian Open girls' singles to Petra Marčinko. She had already reached the Wimbledon junior doubles final in 2021.
Junior career
Grand Slam performance
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)
ITF Circuit finals
Singles: 5 (1 title, 4 runner-ups)
| Finals by surface |
|---|
| Legend |
| $25,000 tournaments |
| $15,000 tournaments |
| Finals by surface |
| Hard (0–4) |
| Clay (1–0) |
| $25,000 tournaments |
| $15,000 tournaments |
| Hard (0–4) |
| Clay (1–0) |
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
|---|---|---|---|---|---|---|---|
| Loss | Feb 2021 | ITF Sharm El Sheikh, Egypt | 15,000 | Hard | Magali Kempen | 3–6, 2–6 | |
| Loss | Dec 2021 | ITF Monastir, Tunisia | 15,000 | Hard | Eudice Chong | 6–3, 4–6, 6–7 | |
| Loss | Jan 2022 | ITF Monastir, Tunisia | 15,000 | Hard | Akvilė Paražinskaitė | 5–7, 2–6 | |
| Loss | Jun 2022 | ITF Gurugram, India | 25,000 | Hard | Karman Thandi | 4–6, 6–2, 1–6 | |
| Win | May 2023 | ITF Feld am See, Austria | 25,000 | Clay | Lara Salden | 6–3, 6–1 |
Doubles: 5 (2 titles, 3 runner-ups)
| Finals by surface |
|---|
| Legend |
| $25,000 tournaments |
| $15,000 tournaments |
| Finals by surface |
| Hard (1–2) |
| Clay (1–1) |
| $25,000 tournaments |
| $15,000 tournaments |
| Hard (1–2) |
| Clay (1–1) |
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|---|---|
| Loss | Feb 2022 | ITF Monastir, Tunisia | 15,000 | Hard | Clervie Ngounoue | Kristina Dmitruk Maria Sholokhova |
6–3, 2–6, [5–10] | |
| Win | Oct 2022 | ITF Hua Hin, Thailand | 25,000 | Hard | Punnin Kovapitukted | Risa Ushijima Wi Hwi-won |
6–1, 6–2 | |
| Loss | May 2023 | ITF Feld am See, Austria | 25,000 | Clay | Kayla Cross | Denisa Hindová Chiara Scholl |
2–6, 0–6 | |
| Win | Jun 2023 | ITF Troisdorf, Germany | 25,000 | Clay | Lara Salden | Chiara Scholl Tilwith di Girolami |
7–6, 6–4 | |
| Loss | Jul 2023 | ITF Corroios, Portugal | 25,000 | Hard | Lulu Sun | Talia Gibson Petra Hule |
3–6, 6–3, [6–10] |
Junior Grand Slam tournament finals
Girls' singles: 1 (runner-up)
| Result | Year | Tournament | Surface | Opponent | Score |
|---|---|---|---|---|---|
| Loss | 2022 | Australian Open | Hard | Petra Marčinko | 5–7, 1–6 |
Girls' doubles: 1 (runner-up)
| Result | Year | Tournament | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|
| Loss | 2021 | Wimbledon | Grass | Laura Hietaranta | Kristina Dmitruk Diana Shnaider |
1–6, 2–6 |