Stadium: Court 3 Round: 44 Ground: Clay
| ITF W25 Vrnjacka Banja | 2021/08/15 14:30 | Maria F Herazo Gonzalez v Divna Ratkovic | 6-3,6-2 |
| ITF W15 Bratislava | 2021/08/13 09:55 | Maria F Herazo Gonzalez v Radka Zelnickova | 3-6,6-4,2-6 |
| ITF W15 Bratislava | 2021/08/12 07:55 | Maria F Herazo Gonzalez v Ivana Sebestova | 6-2,6-1 |
| ITF W15 Bratislava | 2021/08/10 11:00 | Maria F Herazo Gonzalez v Sara Suchankova | 5-7,7-5,6-3 |
| ITF W15 Frederiksberg | 2021/08/03 08:00 | Laetitia Pulchartova v Maria F Herazo Gonzalez | 7-5,4-6,6-2 |
| ITF W15 Antalya | 2021/06/27 07:00 | Maria F Herazo Gonzalez v Rosa Vicens Mas | 1-6,2-6 |
| ITF W15 Antalya | 2021/06/26 06:50 | Maria F Herazo Gonzalez v Sapfo Sakellaridi | 6-2,6-2 |
| ITF W15 Antalya | 2021/06/25 08:25 | Leyre Romero Gormaz v Maria F Herazo Gonzalez | 3-6,2-6 |
| ITF W25 Vrnjacka Banja | 2021/08/15 11:30 | Mia Ristic v Alexandra Iordache | 6-3,6-0 |
| UTR Pro Tennis Series Beograd Women | 2021/07/17 08:30 | Mia Ristic v Ioana Gaspar | 2-6,2-6 |
| UTR Pro Tennis Series Beograd Women | 2021/07/16 10:30 | Mia Ristic v Basak Eraydin | 6-4,6-2 |
| UTR Pro Tennis Series Beograd Women | 2021/07/14 07:30 | Mia Ristic v Karola Bejenaru | 5-7,6-3,7-6 |
| UTR Pro Tennis Series Beograd Women | 2021/07/13 09:00 | Mia Ristic v Maja Radenkovic | 6-1,6-0 |
| UTR Pro Tennis Series Beograd Women | 2021/07/12 10:30 | Iva Sepa v Mia Ristic | 1-6,0-6 |
| ITF W15 Prokuplje | 2021/07/07 11:15 | Sapfo Sakellaridi v Mia Ristic | 1-6,6-1,6-3 |
| ITF W15 Prokuplje | 2021/07/06 07:00 | Mia Ristic v Noka Juric | 7-6,7-5 |