| UTR Pro Tennis Series Bucharest Women | 2021/04/28 10:00 | Silvia Maria Costache v Stefana Lazar | 4-6,2-6 |
| UTR Pro Tennis Series Bucharest Women | 2021/04/23 11:30 | Silvia Maria Costache v Stefana Lazar | 4-6,6-7 |
| ITF - W15 Kranjska Gora | 2023/06/13 08:00 | Dadaciu, Sabina v Stefana Lazar | 6-0,6-4 |
| ITF - W15 Kranjska Gora | 2023/06/12 08:00 | Mayerova, Mia v Stefana Lazar | 6-2,5-7,3-10 |
| ITF W15 Kocevje | 2023/06/07 07:00 | Stefana Lazar v Heinzova, Izabela | 0-6,1-6 |
| UTR Pro Thessaloniki Women | 2023/06/04 05:00 | Alexia-Shara Iancu v Stefana Lazar | 4-6,6-4,6-4 |
| UTR Pro Thessaloniki Women | 2023/06/03 06:30 | Sotiria Katsali v Stefana Lazar | 0-6,2-6 |
| UTR Pro Thessaloniki Women | 2023/06/01 06:45 | Stefana Lazar v Anastasia Iamachkine | 1-6,3-6 |
| UTR Pro Thessaloniki Women | 2023/05/31 05:00 | Stefana Lazar v Nina Ugrelidze | 2-6,4-6 |
| UTR Pro Thessaloniki Women | 2023/05/30 07:35 | Stefana Lazar v Styliani Roussopoulou | 6-3,6-4 |
| UTR Pro Bucarest - Femmes | 2023/07/31 14:00 | Magdalini Adaloglou v Silvia Maria Costache | 0-0 |
| ITF - W15 Bucarest | 2023/06/18 12:30 | Silvia Maria Costache v Caterina Odorizzi | 6-7,3-6 |
| UTR Pro Bucarest - Femmes | 2023/06/18 07:30 | Elizabeth Danailova v Silvia Maria Costache | 6-3,6-3 |
| UTR Pro Bucarest - Femmes | 2023/06/17 05:00 | Andrada Ekaterina Komarov v Silvia Maria Costache | 6-4,0-6,2-6 |
| UTR Pro Bucarest - Femmes | 2023/06/16 05:00 | Silvia Maria Costache v Ioana Zvonaru | 2-6,6-3,0-6 |
| UTR Pro Bucarest - Femmes | 2023/06/14 07:30 | Silvia Maria Costache v Sofia M Barbulescu | 6-3,2-6,3-6 |
| UTR Pro Bucarest - Femmes | 2023/06/13 09:27 | Silvia Maria Costache v Bianca E Barbulescu | 2-6,1-6 |
| UTR Pro Bucarest - Femmes | 2023/06/12 05:00 | Evelyne Christelle Atticia Tiron v Silvia Maria Costache | 6-2,7-5 |