| ITF W25韋爾比耶 | 08/23 08:55 | 25 | [299] Sofia Costoulas v 貝塔•博納爾迪 [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 阿馬里耶伊 [438] | 6-7,3-6 | |
| ITF W25比斯特里察 | 08/17 13:05 | 26 | Sofia Costoulas v 傑西卡•皮耶裏 | 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] 布倫達•布魯維托娃 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∙瓦格納 | 6-2,6-3 | |
| ITF W40波爾圖 | 07/19 18:35 | 25 | Sofia Costoulas v Daria Khomutsianskaya | 3-6,6-7 | |
| ITF W25科羅歐斯-塞沙爾 | 07/12 10:00 | 25 | 阿萊娜•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特羅斯多夫 | 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濱湖費爾德 | 05/20 10:05 | 29 | 拉臘•薩爾登 v Sofia Costoulas | 3-6,1-6 | |
| ITF W25濱湖費爾德 | 05/19 09:00 | 28 | [326] Sofia Costoulas v 埃爾維納•卡利娃 [243] | 6-2,6-3 | |
| ITF W25濱湖費爾德 | 05/18 08:00 | 27 | [345] 瑪雅 Chwalinska v Sofia Costoulas [326] | 4-6,4-6 | |
| ITF W25濱湖費爾德 | 05/17 11:00 | 26 | [367] 凱拉•克洛斯 v Sofia Costoulas [326] | 7-5,5-7,3-6 | |
| ITF W25濱湖費爾德 | 05/17 07:30 | 25 | 阿拉貝拉•科勒 v Sofia Costoulas | 6-4,4-6,1-6 | |
| ITF W25奧西耶克 | 04/27 10:40 | 26 | [334] Sofia Costoulas v 蒂娜•盧卡斯 [233] | 4-6,1-6 | |
| ITF W25奧西耶克 | 04/26 09:30 | 25 | [334] Sofia Costoulas v 尤利婭•阿夫德耶娃 [465] | 2-6,6-3,7-6 | |
| ITF W60貝林佐納 | 04/17 12:35 | 24 | [342] 安德莉亞∙拉薩羅∙加西亞 v Sofia Costoulas [358] | 7-5,6-3 | |
| ITF W25聖馬爾蓋里塔 | 04/15 11:50 | 28 | [411] 安德娅•普裏瑟卡留 v Sofia Costoulas [360] | 6-1,1-6,6-2 | |
| ITF W25聖馬爾蓋里塔 | 04/14 11:10 | 27 | Sofia Costoulas v 費代麗卡•比拉爾多 | 6-4,6-4 | |
| ITF W25聖馬爾蓋里塔 | 04/13 08:30 | 26 | [301] 馬蒂爾德•保萊蒂 v Sofia Costoulas [360] | 1-6,3-6 | |
| ITF W25聖馬爾蓋里塔 | 04/11 14:15 | 25 | [360] Sofia Costoulas v Ikumi Yamazaki [426] | 7-6,6-2 | |
| ITF W60比勒陀利亞 | 03/16 08:00 | 26 | [192] 伊佩克 Oz v Sofia Costoulas [347] | 7-6,6-1 | |
| ITF W60比勒陀利亞 | 03/14 09:25 | 25 | [347] Sofia Costoulas v Lucie Nguyen Tan [378] | 6-3,6-1 | |
| ITF W25比勒陀利亞 | 03/11 08:00 | 28 | [347] Sofia Costoulas v 埃米娜•貝克塔斯 [325] | 3-6,6-4,6-7 | |
| ITF W25比勒陀利亞 | 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.