| Name | S. Costoulas |
| Country | Belgium |
| DOB | 02.04.2005 |
| Season | Type | Rank | Titles | Won | Lost | Hard Won | Hard Lost | Clay Won | Clay Lost | Grass Won | Grass Lost |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | doubles | 512 | 1 | 17 | 9 | 14 | 7 | 3 | 2 | ||
| 2021 | doubles | 1321 | 0 | 6 | 6 | 0 | 2 | 2 | 3 | 4 | 1 |
| 2020 | doubles | 0 | 3 | 2 | 2 | 1 | 1 | 1 | |||
| 2022 | singles | 416 | 0 | 28 | 15 | 24 | 12 | 4 | 3 | ||
| 2021 | singles | 1123 | 0 | 19 | 15 | 16 | 6 | 2 | 8 | 1 | 1 |
| 2020 | singles | 0 | 2 | 3 | 0 | 1 | 2 | 2 | |||
| 2023 | doubles | 261 | 2 | 29 | 17 | 16 | 13 | 13 | 4 | ||
| 2023 | singles | 252 | 2 | 42 | 29 | 25 | 17 | 17 | 12 | ||
| 2024 | doubles | 491 | 0 | 13 | 16 | 9 | 10 | 4 | 5 | ||
| 2024 | singles | 298 | 0 | 41 | 33 | 20 | 16 | 20 | 16 | ||
| 2025 | doubles | 498 | 0 | 17 | 9 | 15 | 9 | 0 | 0 | ||
| 2025 | singles | 153 | 2 | 50 | 26 | 36 | 19 | 13 | 5 | 0 | 1 |
| Name | Season | Type | Surface | Prize |
|---|---|---|---|---|
| W25 Tainan (ITF) | 2023 | doubles | clay | $25,000 |
| W25 Troisdorf (ITF) | 2023 | doubles | clay | $25,000 |
| W25 Hua Hin 2 (ITF) | 2022 | doubles | hard | $25,000 |
| W25 Limassol 2 (ITF) | 2023 | singles | hard | $25,000 |
| W25 Feld am See (ITF) | 2023 | singles | clay | $25,000 |
| W35 Helsinki (ITF) | 2025 | singles | hard (indoor) | $30,000 |
| W75 Calvi (ITF) | 2025 | singles | hard | $60,000 |
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