| ITF W25韦尔比耶 | 08/23 08:55 | 25 | [299] Sofia Costoulas v 贝塔•博纳尔迪 [419] | 7-5,5-7,3-6 | |
| ITF W25比斯特里察 | 08/18 11:20 | 27 | [299] Sofia Costoulas v 伊琳卡 D 阿马里耶伊 [438] | 6-7,3-6 | |
| ITF W25比斯特里察 | 08/17 13:05 | 26 | Sofia Costoulas v 杰西卡•皮耶里 | 7-6,6-4 | |
| ITF W25比斯特里察 | 08/15 12:15 | 25 | Sofia Costoulas v Briana Szabo | 6-3,6-1 | |
| ITF W60黑欣根 | 08/03 12:05 | 26 | [141] 布伦达•布鲁维托娃 v Sofia Costoulas [307] | 6-3,6-2 | |
| ITF W60黑欣根 | 08/01 16:45 | 25 | Sofia Costoulas v 斯特凡妮∙瓦格纳 | 6-2,6-3 | |
| ITF W40波尔图 | 07/19 18:35 | 25 | Sofia Costoulas v Daria Khomutsianskaya | 3-6,6-7 | |
| ITF W25科罗欧斯-塞沙尔 | 07/12 10:00 | 25 | 阿莱娜•法雷 v Sofia Costoulas | 6-4,2-6,6-3 | |
| ITF W25台南 | 06/20 03:40 | 25 | [285] Sofia Costoulas v 卓宜岑 [414] | 3-6,4-6 | |
| ITF W25台南 | 06/15 04:35 | 26 | [476] Ayano Shimizu v Sofia Costoulas [281] | 6-4,3-6,7-6 | |
| ITF W25台南 | 06/14 04:10 | 25 | Samantha Imbo Nloga v Sofia Costoulas | 2-6,1-6 | |
| ITF W25特罗斯多夫 | 05/31 12:20 | 25 | Sofia Costoulas v 吉娜 M 迪特曼 | 3-6,6-3,5-7 | |
| ITF W60格拉多 | 05/24 11:25 | 26 | [325] Sofia Costoulas v 海莉•巴蒂斯特 [244] | 3-6,2-6 | |
| ITF W60格拉多 | 05/23 07:30 | 25 | [338] 安娜•希什科娃 v Sofia Costoulas [325] | 0-6,1-6 | |
| ITF W25滨湖费尔德 | 05/20 10:05 | 29 | 拉腊•萨尔登 v Sofia Costoulas | 3-6,1-6 | |
| ITF W25滨湖费尔德 | 05/19 09:00 | 28 | [326] Sofia Costoulas v 埃尔维纳•卡利娃 [243] | 6-2,6-3 | |
| ITF W25滨湖费尔德 | 05/18 08:00 | 27 | [345] 玛雅 Chwalinska v Sofia Costoulas [326] | 4-6,4-6 | |
| ITF W25滨湖费尔德 | 05/17 11:00 | 26 | [367] 凯拉•克洛斯 v Sofia Costoulas [326] | 7-5,5-7,3-6 | |
| ITF W25滨湖费尔德 | 05/17 07:30 | 25 | 阿拉贝拉•科勒 v Sofia Costoulas | 6-4,4-6,1-6 | |
| ITF W25奥西耶克 | 04/27 10:40 | 26 | [334] Sofia Costoulas v 蒂娜•卢卡斯 [233] | 4-6,1-6 | |
| ITF W25奥西耶克 | 04/26 09:30 | 25 | [334] Sofia Costoulas v 尤利娅•阿夫德耶娃 [465] | 2-6,6-3,7-6 | |
| ITF W60贝林佐纳 | 04/17 12:35 | 24 | [342] 安德莉亚∙拉萨罗∙加西亚 v Sofia Costoulas [358] | 7-5,6-3 | |
| ITF W25圣马尔盖里塔 | 04/15 11:50 | 28 | [411] 安德娅•普里瑟卡留 v Sofia Costoulas [360] | 6-1,1-6,6-2 | |
| ITF W25圣马尔盖里塔 | 04/14 11:10 | 27 | Sofia Costoulas v 费代丽卡•比拉尔多 | 6-4,6-4 | |
| ITF W25圣马尔盖里塔 | 04/13 08:30 | 26 | [301] 马蒂尔德•保莱蒂 v Sofia Costoulas [360] | 1-6,3-6 | |
| ITF W25圣马尔盖里塔 | 04/11 14:15 | 25 | [360] Sofia Costoulas v Ikumi Yamazaki [426] | 7-6,6-2 | |
| ITF W60比勒陀利亚 | 03/16 08:00 | 26 | [192] 伊佩克 Oz v Sofia Costoulas [347] | 7-6,6-1 | |
| ITF W60比勒陀利亚 | 03/14 09:25 | 25 | [347] Sofia Costoulas v Lucie Nguyen Tan [378] | 6-3,6-1 | |
| ITF W25比勒陀利亚 | 03/11 08:00 | 28 | [347] Sofia Costoulas v 埃米娜•贝克塔斯 [325] | 3-6,6-4,6-7 | |
| ITF W25比勒陀利亚 | 03/10 08:00 | 27 | [338] Jenny Duerst v Sofia Costoulas [347] | 4-6,3-6 |
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 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. She had already reached the Wimbledon junior doubles final in 2021.