| UTR Pro Tennis Series Pazardzhik Women | 2021/05/12 08:30 | Nastja Kolar v Silvia Maria Costache | 6-2,6-0 |
| ITF W15 Cairo | 2022/01/06 08:00 | Ani Vangelova v Silvia Maria Costache | 5-7,6-2,6-1 |
| ITF W15 Cairo | 2022/01/05 12:50 | Silvia Maria Costache v Toffee Ghorab | 6-2,6-3 |
| ITF W15 Cairo | 2022/01/04 10:05 | Elina Zakharova v Silvia Maria Costache | 1-6,3-6 |
| ITF W15 Giza | 2021/12/29 10:00 | Sandra Samir v Silvia Maria Costache | 6-1,6-2 |
| ITF W15 Giza | 2021/12/28 08:00 | Anna Borovinskaya v Silvia Maria Costache | 3-6,4-6 |
| ITF W15 Lousada | 2021/11/28 09:00 | Silvia Maria Costache v Valentina Losciale | 2-6,1-6 |
| UTR Pro Tennis Series Bucharest Women | 2021/10/08 11:30 | Silvia Maria Costache v Stefania Bojica | 4-6,4-6 |
| UTR Pro Tennis Series Bucharest Women | 2021/10/07 16:45 | Silvia Maria Costache v Iulia Andreea Ionescu | 7-6,4-6,5-4 |
| UTR Pro Tennis Series Barcelona Women | 2022/01/22 11:00 | Nastja Kolar v Martha Matoula | 6-7,6-3,4-6 |
| UTR Pro Tennis Series Barcelona Women | 2022/01/21 08:30 | Nastja Kolar v Danique Havermans | 6-3,6-0 |
| UTR Pro Tennis Series Barcelona Women | 2022/01/19 11:30 | Nastja Kolar v Esther Lopez | 6-1,6-0 |
| UTR Pro Tennis Series Barcelona Women | 2022/01/18 08:30 | Nastja Kolar v Judit Hernandez Miranda | 6-2,6-1 |
| UTR Pro Tennis Series Barcelona Women | 2022/01/17 10:00 | Sanne Schalekamp v Nastja Kolar | 2-6,0-6 |
| UTR Pro Tennis Series Plovdiv Women | 2021/12/16 09:00 | Ekaterina Vl. Makarova v Nastja Kolar | 6-3,6-4 |
| UTR Pro Tennis Series Plovdiv Women | 2021/12/14 07:30 | Gabriela Duca v Nastja Kolar | 6-3,1-6,5-7 |
| UTR Pro Tennis Series Barcelona Women | 2021/12/11 12:30 | Darja Semenistaja v Nastja Kolar | 0-6,7-5,7-6 |