Stadium: Court 12 Round: 44 Ground: Clay
| ITF W15 Platja D'Aro | 2020/10/27 09:00 | Vishnevskaya, Ekaterina v Lopez Alcaraz, Esther | 3-6,6-3,10-6 |
| ITF W15 Platja D'Aro | 2020/10/26 10:00 | Lopez Alcaraz, Esther v Kaul, Maria Lota | 6-2,6-4 |
| ITF W15 Platja D'Aro | 2020/10/25 09:00 | Lopez Alcaraz, Esther v Tishchenko, Iana | 6-2,6-3 |
| Spanish Summer League Women | 2020/07/22 17:15 | Lopez Alcaraz, Esther v Ariana Geerlings | 3-6,2-6 |
| ITF - W15 Manacor | 2020/01/27 10:30 | Alice Robbe v Lopez Alcaraz, Esther | 6-1,6-1 |
| ITF - W15 Manacor | 2020/01/22 16:30 | Lopez Alcaraz, Esther v Moreno Barranquero, Angeles | 3-6,5-7 |
| ITF - W15 Manacor | 2020/01/22 14:00 | Bornay, Jade v Lopez Alcaraz, Esther | 2-6,0-6 |
| ITF W25 Seville | 2019/10/13 14:00 | Ferrando, Cristiana v Lopez Alcaraz, Esther | 6-0,6-4 |
| ITF W15 Platja D'Aro | 2020/10/31 09:25 | Carreras, Amanda v Custic, Marta | 7-5,5-7,7-6 |
| ITF W15 Platja D'Aro | 2020/10/30 09:00 | Jessica Bouzas Maneiro v Custic, Marta | 7-5,4-6,2-6 |
| ITF W15 Platja D'Aro | 2020/10/29 09:00 | Custic, Marta v Marine Partaud | 4-6,6-3,6-0 |
| ITF W15 Platja D'Aro | 2020/10/28 10:15 | Oksana Selekhmeteva v Custic, Marta | 3-6,1-6 |
| ITF W25 Marbella | 2020/09/02 10:20 | Custic, Marta v Yvonne Cavalle-Reimers | 1-6,6-3,6-7 |
| Spanish Summer League Women | 2020/07/30 17:00 | Custic, Marta v Harvison, Isabella | 4-6,6-2,6-3 |
| Spanish Summer League Women | 2020/07/29 17:00 | Custic, Marta v Gendra Felip, Mar | 6-1,6-0 |
| Spanish Summer League Women | 2020/07/22 17:15 | Custic, Marta v Payola, Julia | 2-6,5-7 |