| UTR Pro Tennis Series Bucharest Women | 2021/04/26 07:00 | Silvia Maria Costache v Elena-Teodora Cadar | 4-6,1-5 |
| UTR Pro Tennis Series Bucharest Women | 2021/09/15 10:15 | Silvia Maria Costache v Anna Morgina | 4-6,6-1,5-3 |
| UTR Pro Tennis Series Bucharest Women | 2021/09/14 10:00 | Silvia Maria Costache v Ioana T Sava | 7-6,5-7,6-2 |
| UTR Pro Tennis Series Bucharest Women | 2021/09/13 11:30 | Silvia Maria Costache v Tanasie Lavinia | 6-3,6-3 |
| UTR Pro Tennis Series Bucharest Women | 2021/09/12 10:00 | Victoria Borodulina v Silvia Maria Costache | 1-6,6-3,2-5 |
| UTR Pro Tennis Series Bucharest Women | 2021/09/11 13:15 | Patricia Georgiana Goina v Silvia Maria Costache | 1-6,6-7 |
| UTR Pro Tennis Series Bucharest Women | 2021/09/10 11:30 | Silvia Maria Costache v Daria Lodikova | 3-6,2-6 |
| UTR Pro Tennis Series Sofia Women | 2021/08/30 10:00 | Silvia Maria Costache v Sara Mikaca | 6-7,6-2,5-3 |
| UTR Pro Tennis Series Sofia Women | 2021/08/29 13:30 | Verginie Tchakarova v Silvia Maria Costache | 4-6,4-6 |
| UTR Pro Tennis Series Bucharest Women | 2021/09/15 08:30 | Tanasie Lavinia v Elena-Teodora Cadar | 0-0 |
| UTR Pro Tennis Series Bucharest Women | 2021/09/13 08:30 | Ioana T Sava v Elena-Teodora Cadar | 6-7,0-6 |
| ITF W15 Varna | 2021/09/10 08:30 | Elena-Teodora Cadar v Katerina Dimitrova | 6-1,4-6,2-6 |
| ITF W15 Varna | 2021/09/09 06:30 | Elena-Teodora Cadar v Chiara Catini | 3-6,7-6,6-1 |
| ITF W15 Varna | 2021/09/07 08:00 | Elena-Teodora Cadar v Anastasija Radojevic | 6-0,6-2 |
| ITF W15 Bad Waltersdorf | 2021/08/27 11:35 | Sapfo Sakellaridi v Elena-Teodora Cadar | 6-7,6-3,6-2 |
| ITF W15 Bad Waltersdorf | 2021/08/26 11:20 | Katherine Westbury v Elena-Teodora Cadar | 2-6,2-6 |
| ITF W15 Bad Waltersdorf | 2021/08/24 11:35 | Elena-Teodora Cadar v Selena Janicijevic | 3-6,6-4,7-6 |