Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF - W15 Santo Domingo | 2021/12/01 13:30 | Ingrid Vojcinakova v Mihail, Diana Maria | 6-2,6-2 |
| ITF - W15 Sharm El Sheikh | 2021/11/15 10:00 | Xin Tong Wang v Mihail, Diana Maria | 7-5,6-2 |
| ITF - W15 Sharm El Sheikh | 2021/11/10 16:00 | Mihail, Diana Maria v Eudice Chong | 0-6,0-6 |
| ITF - W15 Sharm El Sheikh | 2021/11/01 12:00 | Mihail, Diana Maria v Marwa Hakimi | 5-7,1-6 |
| ITF - W15 Sharm El Sheikh | 2021/10/27 09:40 | Elena-Teodora Cadar v Mihail, Diana Maria | 6-1,6-4 |
| ITF - W15 Sharm El Sheikh | 2021/10/26 08:00 | Mihail, Diana Maria v Jiaqi Wang | 1-6,0-6 |
| ITF - W15 Sharm El Sheikh | 2021/10/20 16:25 | Duca, Gabriela v Mihail, Diana Maria | 6-1,6-4 |
| ITF - W15 Sharm El Sheikh | 2021/10/11 10:30 | Mihail, Diana Maria v Zongyu Li | 3-6,1-6 |