| ITF W15 - Sozopol | 2019/10/02 11:00 | Nikol Ruseva v Stefana Lazar | 1-6,3-6 |
| ITF W15 - Antalya | 2021/02/14 06:00 | Julia Kimmelmann v Nikol Ruseva | 6-3,6-1 |
| ITF W15 - Antalya | 2021/02/07 09:30 | Nikol Ruseva v Simona Ogescu | 4-6,1-6 |
| ITF W15 - Antalya | 2021/01/31 11:30 | Nikol Ruseva v Alexandra Iordache | 5-7,2-6 |
| ITF W15 - Pazardzhik | 2020/10/27 08:00 | Sylvie Zund v Nikol Ruseva | 6-1,6-3 |
| ITF W15 - Pazardzhik | 2020/10/26 09:30 | Beloslava Veleva v Nikol Ruseva | 6-2,2-6,7-10 |
| ITF W15 - Varna | 2020/09/09 06:30 | Ioana Loredana Rosca v Nikol Ruseva | 6-3,6-1 |
| ITF Women Varna | 2020/09/08 07:30 | Nikol Ruseva v Mirela Shkumbova | 6-3,6-1 |
| ITF Women Varna | 2020/09/07 06:30 | Vitalia Stamat v Nikol Ruseva | 4-6,6-2,7-10 |
| UTR Pro Tennis Series Pazardzhik - Kvinder | 2021/05/03 12:00 | Stefana Lazar v Rositsa Dencheva | 4-6,0-6 |
| UTR Pro Tennis Series - Bukarest - Kvinder | 2021/05/01 06:00 | Stefana Lazar v Ioana Gaspar | 3-6,2-6 |
| UTR Pro Tennis Series - Bukarest - Kvinder | 2021/04/30 09:00 | Stefana Lazar v Patricia Maria Tig | 3-6,2-5 |
| UTR Pro Tennis Series - Bukarest - Kvinder | 2021/04/29 07:00 | Stefana Lazar v Georgia Andreea Craciun | 2-6,0-5 |
| UTR Pro Tennis Series - Bukarest - Kvinder | 2021/04/28 10:00 | Silvia Maria Costache v Stefana Lazar | 4-6,2-6 |
| UTR Pro Tennis Series - Bukarest - Kvinder | 2021/04/27 10:00 | Elena-Teodora Cadar v Stefana Lazar | 7-5,6-2 |
| UTR Pro Tennis Series - Bukarest - Kvinder | 2021/04/25 08:30 | Oana Georgeta Simion v Stefana Lazar | 7-6,7-6 |
| UTR Pro Tennis Series - Bukarest - Kvinder | 2021/04/24 12:00 | Stefana Lazar v Ralitsa Alexandrova | 6-2,5-1 |