Stadium: Court 18 Round: 54 Ground: Clay
| ITF W15 Sozopol | 2021/09/14 13:25 | Dia Evtimova v Lia Karatancheva | 6-7,7-5,6-4 |
| ITF W25 Daytona Beach | 2021/11/09 17:00 | Dia Evtimova v Kennedy Shaffer | 0-6,0-6 |
| ITF W25 Daytona Beach | 2021/11/08 16:00 | Dia Evtimova v Kariann Pierre-Louis | 6-4,2-6,14-12 |
| ITF W15 Sozopol | 2021/10/06 07:00 | Martha Matoula v Dia Evtimova | 6-3,6-2 |
| ITF W15 Sozopol | 2021/09/18 07:00 | Nastja Kolar v Dia Evtimova | 7-6,7-5 |
| ITF W15 Sozopol | 2021/09/17 07:00 | Dia Evtimova v Vanessa I G Popa Teiusanu | 6-3,6-1 |
| ITF W15 Sozopol | 2021/09/16 10:20 | Dia Evtimova v Anna Ozerova | 6-4,6-4 |
| ITF W15 Sozopol | 2021/09/14 13:25 | Dia Evtimova v Lia Karatancheva | 6-7,7-5,6-4 |
| ITF W25 Vienna | 2021/08/30 11:45 | Tereza Mihalikova v Dia Evtimova | 6-2,5-7,4-10 |
| ITF W25 Daytona Beach | 2021/11/09 16:40 | Jantje Tilbuerger v Lia Karatancheva | 6-1,6-7,11-9 |
| ITF W25 Daytona Beach | 2021/11/08 16:00 | Lia Karatancheva v Adriana Reami | 3-6,6-4,10-6 |
| ITF W25 Orlando | 2021/11/02 15:00 | Moyuka Uchijima v Lia Karatancheva | 6-2,6-2 |
| ITF W25 Orlando | 2021/11/01 14:00 | Lia Karatancheva v Alexandra Osborne | 7-6,7-6 |
| ITF W15 Sozopol | 2021/10/14 11:00 | Mia Chudejova v Lia Karatancheva | 3-6,6-3,11-9 |
| ITF W15 Sozopol | 2021/10/07 08:00 | Lia Karatancheva v Julia Terziyska | 1-6,0-6 |
| ITF W15 Sozopol | 2021/10/05 09:00 | Jade Bornay v Lia Karatancheva | 6-3,5-7,6-7 |
| ITF W15 Sozopol | 2021/09/14 13:25 | Dia Evtimova v Lia Karatancheva | 6-7,7-5,6-4 |