Stadium: Court 1 Round: 26 Ground: Clay
| ITF - Varna W15 | 2021/09/08 08:00 | Oana Gavrila v Martha Matoula | 7-5,0-6,0-6 |
| UTR Pro Tennis Series - Sofia - Kobiety | 2021/09/03 08:30 | Gabriela Knutson v Martha Matoula | 6-1,2-6,7-5 |
| UTR Pro Tennis Series - Sofia - Kobiety | 2021/09/02 10:00 | Martha Matoula v Nastja Kolar | 6-4,1-1 |
| UTR Pro Tennis Series - Sofia - Kobiety | 2021/09/01 12:30 | Martha Matoula v Victoria Borodulina | 7-5,5-4 |
| UTR Pro Tennis Series - Sofia - Kobiety | 2021/08/31 09:30 | Martha Matoula v Stefana Lazar | 7-6,6-4 |
| UTR Pro Tennis Series - Sofia - Kobiety | 2021/08/30 08:30 | Daria Shalamanova v Martha Matoula | 7-5,3-6,5-7 |
| ITF - Vrnjacka Banja W25 | 2021/08/15 08:30 | Tara Wurth v Martha Matoula | 6-1,6-3 |
| ITF - Frederiksberg W15 | 2021/08/04 09:55 | Martha Matoula v Michaela Bayerlova | 2-6,2-6 |
| ITF - Varna W15 | 2021/09/07 06:30 | Margarita Ignatjeva v Gebriela Mihaylova | 4-6,6-7 |
| ITF - Prokuplje W15 | 2021/07/06 07:00 | Karola Patricia Bejenaru v Gebriela Mihaylova | 6-4,6-1 |
| ITF - Prokuplje W15 | 2021/07/04 07:00 | Graziella Barrett v Gebriela Mihaylova | 0-6,0-6 |
| ITF - Prokuplje W15 | 2021/06/27 11:00 | Gebriela Mihaylova v Noka Juric | 4-6,3-6 |
| ITF - Antalya W15 | 2021/06/08 07:00 | Gebriela Mihaylova v Daria Shalamanova | 6-3,3-6,11-13 |
| ITF - Antalya W15 | 2021/06/02 07:20 | Basak Eraydin v Gebriela Mihaylova | 6-4,6-2 |
| UTR Pro Tennis Series Pazardzhik - Kobiety | 2021/05/16 08:30 | Katerina Dimitrova v Gebriela Mihaylova | 6-2,5-1 |
| UTR Pro Tennis Series Pazardzhik - Kobiety | 2021/05/15 09:00 | Gebriela Mihaylova v Bojana Marinkovic | 6-3,6-0 |