Stadium: Court 4 Round: 14 Ground: Clay
| ITF - W100 Bonita Springs | 2021/05/13 16:20 | Irina Maria Bara v Usue Maitane Arconada | 2-6,6-3,7-5 |
| ITF - W100 Bonita Springs | 2021/05/12 16:10 | Sachia Vickery v Usue Maitane Arconada | 4-6,1-6 |
| ITF W60 Charlottesville | 2021/04/28 19:20 | Xinyu Wang v Usue Maitane Arconada | 6-4,6-2 |
| WTA Charleston Qual | 2021/04/10 18:10 | Perez, Ellen v Usue Maitane Arconada | 6-7,7-6,7-5 |
| WTA - Bogota | 2021/04/05 15:00 | Saisai Zheng v Usue Maitane Arconada | 6-3,6-1 |
| WTA - Miami | 2021/03/22 20:05 | Usue Maitane Arconada v Greet Minnen | 4-6,4-6 |
| WTA Monterrey | 2021/03/14 17:00 | Usue Maitane Arconada v Sherif, M. | 3-6,4-6 |
| WTA Monterrey | 2021/03/13 16:00 | Ahn, Kristie v Usue Maitane Arconada | 4-6,6-7 |
| ITF W60 La Bisbal | 2021/05/13 07:55 | Irina Khromacheva v Arruabarrena, L. | 1-6,6-3,6-3 |
| ITF W60 La Bisbal | 2021/05/11 10:40 | Arruabarrena, L. v Kaja Juvan | 6-1,3-6,6-4 |
| WTA Istanbul | 2021/04/20 10:30 | Elise Mertens v Arruabarrena, L. | 6-2,6-0 |
| WTA Istanbul | 2021/04/18 09:00 | Harmony Tan v Arruabarrena, L. | 3-6,3-6 |
| WTA Istanbul | 2021/04/17 08:00 | Berfu Cengiz v Arruabarrena, L. | 5-7,3-6 |
| WTA - Bogota | 2021/04/09 21:35 | Harmony Tan v Arruabarrena, L. | 6-1,6-4 |
| WTA - Bogota | 2021/04/07 15:00 | Arruabarrena, L. v Jasmine Paolini | 2-6,6-4,6-2 |
| WTA - Bogota | 2021/04/06 19:15 | Arruabarrena, L. v Plazas, Jessica | 6-0,6-1 |