Stadium: Court 4 Round: 44 Ground: Clay
| ITF - LPD Gran Canaria W15 | 2020/11/22 09:30 | Mariia Kostiuk v Maria Fernanda Morales | 6-3,6-1 |
| ITF Women Castellon | 2020/11/01 10:30 | Mariia Kostiuk v Maria B Bandera | 3-6,1-6 |
| ITF - Platja D'Aro W15 | 2020/10/25 11:00 | Ali Collins v Mariia Kostiuk | 7-5,6-3 |
| ITF - Saint Malo W60 | 2020/09/07 10:30 | Mariia Kostiuk v Aubane Droguet | 2-6,1-6 |
| ITF - Palmanova W15 | 2020/02/03 10:00 | Mariia Kostiuk v Blanca Cortijo Parreno | 7-6,2-6,3-10 |
| ITF - Palmanova W15 | 2020/02/02 09:30 | Yara Abed v Mariia Kostiuk | 3-6,1-6 |
| ITF - Manacor W15 | 2020/01/22 14:00 | Mariia Kostiuk v Aiko Yoshitomi | 1-6,3-6 |
| ITF - Antalya W15 | 2020/01/13 07:00 | Mariia Kostiuk v Laure Line Glaude | 2-6,4-6 |
| ITF - LPD Gran Canaria W15 | 2020/11/22 11:30 | Elena Rey v Rebeca Pereira | 0-6,3-6 |
| ITF - LPD Gran Canaria W25 | 2020/11/15 10:15 | Rebeca Pereira v Malene Helgo | 4-6,2-6 |
| ITF Women Castellon | 2020/11/03 08:00 | Lucia Martinez v Rebeca Pereira | 6-0,7-5 |
| ITF Women Castellon | 2020/11/02 11:30 | Maria Lota Kaul v Rebeca Pereira | 3-6,6-2,10-12 |
| ITF Women Castellon | 2020/11/01 13:00 | Caitlyn Portela v Rebeca Pereira | 6-7,5-7 |
| ITF - Monastir W15 | 2020/10/28 10:15 | Rebeca Pereira v Darja Semenistaja | 4-6,2-6 |
| ITF - Monastir W15 | 2020/10/26 08:30 | Rebeca Pereira v Lola Mireille Glantz | 6-0,6-1 |
| ITF - Monastir W15 | 2020/10/22 09:55 | Lisa Ponomar v Rebeca Pereira | 6-2,7-5 |