Stadium: Court 3 Round: 25 Ground: Clay
| ITF Women Croissy-Beaubourg Qual | 2017/03/25 12:10 | Cristiana Ferrando v Diana Marcinkevica | 4-6,3-6 |
| ITF W25 Otocec | 2021/05/26 13:20 | Diana Marcinkevica v Sada Nahimana | 2-6,6-3,3-6 |
| ITF W25 Salinas | 2021/05/12 14:00 | Victoria Rodriguez v Diana Marcinkevica | 6-4,6-3 |
| ITF W25 Salinas | 2021/05/04 17:10 | Diana Marcinkevica v Ganna Poznikhirenko | 6-2,2-6,2-6 |
| ITF W25 Oeiras | 2021/04/30 12:30 | Diana Marcinkevica v Marina Melnikova | 1-6,6-4,3-6 |
| ITF W25 Oeiras | 2021/04/29 10:00 | Nina Stadler v Diana Marcinkevica | 6-7,5-7 |
| ITF W25 Oeiras | 2021/04/28 11:30 | Martina Spigarelli v Diana Marcinkevica | 6-7,1-6 |
| ITF W25 Oeiras | 2021/04/19 12:30 | Sofya Lansere v Diana Marcinkevica | 6-3,6-3 |
| ITF W25 Cordoba | 2021/04/06 15:50 | Irene Burillo Escorihuela v Diana Marcinkevica | 6-4,6-3 |
| ITF W25 Grado | 2021/05/31 10:30 | Cristiana Ferrando v Maria Marfutina | 6-4,6-3 |
| ITF W25 Otocec | 2021/05/27 09:35 | Federica Di Sarra v Cristiana Ferrando | 7-6,7-5 |
| ITF W25 Otocec | 2021/05/26 07:55 | Cristiana Ferrando v Lucia Bronzetti | 6-2,6-0 |
| ITF W25 Otocec | 2021/05/25 08:00 | Cristiana Ferrando v Nastja Kolar | 6-4,4-6,10-1 |
| ITF W25 Otocec | 2021/05/24 08:00 | Cristiana Ferrando v Anika Jaskova | 6-3,6-3 |
| ITF W25 Platja D’Aro | 2021/05/18 09:00 | Cristiana Ferrando v Oana Georgeta Simion | 1-6,6-2,3-10 |
| ITF W25 Platja D’Aro | 2021/05/17 08:30 | Cristiana Ferrando v Leyre Romero Gormaz | 2-6,7-5,10-6 |
| ITF W25 Platja D’Aro | 2021/05/16 07:30 | Cristiana Ferrando v Lucia Cortez Llorca | 2-6,6-2,10-3 |