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Sofia Costoulas
Belgian tennis player (born 2005) From Wikipedia, the free encyclopedia
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Sofia Costoulas (Greek: Κωστούλα, romanized: Kostoula; born 2 April 2005) is a Belgian professional tennis player. She has career-high rankings of No. 173 in singles, achieved on 8 September 2025, and No. 229 in doubles, achieved on 25 September 2023.
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Early life
Costoulas was born in Genk to a Greek-Congolese father and a Belgian mother.[1] Her father was a professional footballer who played for Sint-Truidense V.V., K. Patro Eisden Maasmechelen, and C.S. Visé.[2] She began playing tennis at the age of four. She trained at her local club in Genk, the Kim Clijsters Academy, and the Justine Henin Academy.[1][2]
Junior career
In July 2021, she and Laura Hietaranta reached the girls' doubles final of Wimbledon, but lost to Kristina Dmitruk and Diana Shnaider.[3] In September 2021, she reached the girls' singles third round of the US Open.[4]
In January 2022, she won the J1 Traralgon Tennis International, defeating Kayla Cross in the final.[4] Later that month, she reached the girls' singles final of the Australian Open, but lost to Petra Marčinko.[5][6] In April 2022, she won back-to-back J1 titles in Vrsar and Plovdiv.[1] The following month, she also won the JA International HTV Junior Open in Offenbach am Main.[7]
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Professional career
In December 2021, she reached back-to-back W15 finals in Monastir.[8] In February 2022, she reached the semifinals of the W25 Copa Banco in Guayaquil.[1] In October 2022, she won her first professional doubles title at the W25 tournament in Hua Hin, partnering Punnin Kovapitukted.[9][10]
In April 2025, she won her biggest title to-date at the W75 Ladies Open Calvi Eaux de Zilia, defeating Tessah Andrianjafitrimo in the final.[11] The following month, she reached the second round of the qualifying competition of the French Open, but ultimately failed to advance into the main draw.[12]
Grand Slam singles performance timeline
| W | F | SF | QF | #R | RR | Q# | P# | DNQ | A | Z# | PO | G | S | B | NMS | NTI | P | NH |
(W) winner; (F) finalist; (SF) semifinalist; (QF) quarterfinalist; (#R) rounds 4, 3, 2, 1; (RR) round-robin stage; (Q#) qualification round; (P#) preliminary round; (DNQ) did not qualify; (A) absent; (Z#) Davis/Fed Cup Zonal Group (with number indication) or (PO) play-off; (G) gold, (S) silver or (B) bronze Olympic/Paralympic medal; (NMS) not a Masters tournament; (NTI) not a Tier I tournament; (P) postponed; (NH) not held; (SR) strike rate (events won / competed); (W–L) win–loss record.
To avoid confusion and double counting, these charts are updated at the conclusion of a tournament or when the player's participation has ended.
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ITF Circuit finals
Singles: 12 (4 titles, 8 runner-ups)
Doubles: 11 (3 titles, 8 runner-ups)
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Junior Grand Slam tournament finals
Girls' singles: 1 (runner-up)
Girls' doubles: 1 (runner-up)
Notes
References
External links
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