Stadium: Cancha Central Round: 25 Ground: Clay
| WTA - Bogota | 2021/04/04 18:00 | Arruabarrena, L. v Yuliana Monroy | 6-0,6-0 |
| WTA - Bogota | 2021/04/03 18:50 | Arruabarrena, L. v Carol Zhao | 6-0,6-0 |
| WTA Monterrey | 2021/03/14 19:00 | Arruabarrena, L. v Anna Kalinskaya | 4-6,3-6 |
| WTA Monterrey | 2021/03/13 21:25 | Arruabarrena, L. v Elisabetta Cocciaretto | 6-2,6-4 |
| WTA Guadalajara | 2021/03/06 17:00 | Lauren Davis v Arruabarrena, L. | 4-6,6-4,6-4 |
| Open d'Australie - Femmes | 2021/01/11 09:05 | Arruabarrena, L. v Buzarnescu, Mihaela | 4-6,3-6 |
| ITF W100 Charleston | 2020/11/02 18:25 | Arruabarrena, L. v Mattek-Sands, Bethanie | 6-2,0-6,4-10 |
| ITF W80 Tyler | 2020/10/26 18:25 | Arruabarrena, L. v Jamie Loeb | 4-6,2-6 |
| ITF W25 Buenos Aires | 2021/03/22 14:00 | Amina Anshba v Plazas, Jessica | 6-0,6-1 |
| ITF W25 Buenos Aires | 2021/03/21 12:00 | Plazas, Jessica v Arangio, Gala | 6-1,6-0 |
| ITF - W15 Antalya | 2021/03/08 07:00 | Anastasiya Konstantinovna Soboleva v Plazas, Jessica | 6-3,6-2 |
| ITF - W15 Antalya | 2021/03/07 07:00 | Demidova, Liubov v Plazas, Jessica | 0-6,1-6 |
| ITF - W15 Antalya | 2021/02/28 09:00 | Plazas, Jessica v Sofia Milatova | 1-6,0-6 |
| ITF - W15 Antalya | 2021/02/21 06:00 | Kimmelmann, Julia v Plazas, Jessica | 6-2,6-3 |
| ITF - W15 Antalya | 2021/02/16 07:00 | Plazas, Jessica v Diana Demidova | 2-6,6-7 |
| ITF - W15 Antalya | 2021/02/15 12:30 | Plazas, Jessica v Linda Sevcikova | 6-3,1-6,10-7 |