Estádio: Court North 1 Round: 25 Ground: Hardcourt outdoor
| ITF - W25 Austin | 2021/10/26 16:00 | Oona Orpana v Maribella Zamarripa | 2-6,6-1,6-10 |
| ITF - W25 Austin | 2021/10/25 17:00 | Maribella Zamarripa v Rasheeda McAdoo | 5-7,7-6,10-4 |
| ITF - W25 Pelham | 2021/05/17 16:40 | Jantje Tilbuerger v Maribella Zamarripa | 6-0,6-0 |
| ITF - W25 Pelham | 2021/05/16 15:00 | Maribella Zamarripa v Beatrice Gumulya | 6-4,6-2 |
| ITF - W25 Naples | 2021/05/03 15:00 | Anna Siskova v Maribella Zamarripa | 6-2,6-2 |
| Flórida - UTR Pro Tennis Series - Feminino | 2021/05/01 13:00 | Irina Fetecau v Maribella Zamarripa | 7-6,5-1 |
| Flórida - UTR Pro Tennis Series - Feminino | 2021/04/29 16:00 | Maribella Zamarripa v Dia Evtimova | 6-1,6-2 |
| Flórida - UTR Pro Tennis Series - Feminino | 2021/04/28 14:30 | Maribella Zamarripa v Meera Jesudason | 7-5,6-2 |
| ITF - W25 Florença | 2021/10/14 17:35 | Tessah Andrianjafitrimo v Mirjam Bjorklund | 6-3,6-3 |
| ITF - W25 Florença | 2021/10/13 14:00 | Mirjam Bjorklund v Alexa Graham | 6-4,6-2 |
| ITF - W25 Redding | 2021/10/08 16:55 | Dalila Jakupovic v Mirjam Bjorklund | 6-1,6-3 |
| ITF - W25 Redding | 2021/10/07 18:25 | Jessica Failla v Mirjam Bjorklund | 1-6,4-6 |
| ITF - W25 Redding | 2021/10/07 02:00 | Ashley Lahey v Mirjam Bjorklund | 3-6,2-6 |
| ITF - W60 Berkeley | 2021/09/28 21:10 | Hanna Chang v Mirjam Bjorklund | 6-3,4-6,6-1 |
| ITF - W25 Frýdek-Místek | 2021/09/09 09:40 | Misaki Matsuda v Mirjam Bjorklund | 7-5,3-6,6-1 |
| ITF - W25 Frýdek-Místek | 2021/09/08 12:55 | Miriam Bulgaru v Mirjam Bjorklund | 6-3,2-6,4-6 |