Stadium: Court 2 Round: 25 Ground: Clay
| ITF W25 Villa Maria | 2021/03/31 18:30 | Irene Burillo Escorihuela v Susan Bandecchi | 3-6,4-6 |
| ITF W25 Buenos Aires | 2021/03/26 16:10 | Irene Burillo Escorihuela v Carolina Alves | 3-6,3-6 |
| ITF W25 Buenos Aires | 2021/03/26 12:00 | Irene Burillo Escorihuela v Jazmin Ortenzi | 7-6,6-2 |
| ITF W25 Buenos Aires | 2021/03/24 16:05 | Natalija Stevanovic v Irene Burillo Escorihuela | 3-6,2-6 |
| ITF W25 Newport Beach | 2021/03/05 17:30 | Irene Burillo Escorihuela v Claire Liu | 1-6,7-5,5-7 |
| ITF W25 Newport Beach | 2021/03/04 17:55 | Irene Burillo Escorihuela v Katerina Stewart | 6-2,4-6,6-1 |
| ITF W25 Boca Raton | 2021/02/23 16:00 | Irene Burillo Escorihuela v Beatriz Haddad Maia | 6-7,4-6 |
| ITF W25 Boca Raton | 2021/02/22 15:00 | Irene Burillo Escorihuela v Alexandra Yepifanova | 6-3,6-3 |
| ITF W25 Villa Maria | 2021/03/30 17:55 | Despina Papamichail v Diana Marcinkevica | 1-6,7-6,6-3 |
| ITF W25 Buenos Aires | 2021/03/24 16:10 | Katharina Gerlach v Diana Marcinkevica | 6-0,6-1 |
| ITF W15 Manacor | 2021/03/12 09:00 | Leyre Romero Gormaz v Diana Marcinkevica | 7-6,2-6,6-4 |
| ITF W15 Manacor | 2021/03/11 10:50 | Tereza Mihalikova v Diana Marcinkevica | 2-6,2-6 |
| ITF W15 Manacor | 2021/03/10 11:10 | Maria G Carrasco v Diana Marcinkevica | 4-6,4-6 |
| ITF W25 Manacor | 2021/03/03 08:55 | Diana Marcinkevica v Jana Fett | 6-3,3-6,3-6 |
| ITF W25 Poitiers | 2021/02/23 14:30 | Clara Burel v Diana Marcinkevica | 6-4,6-2 |
| ITF W25 Altenkirchen | 2021/02/15 11:00 | Diana Marcinkevica v Susan Bandecchi | 6-3,2-6,7-10 |