Stadium: Olga Parres Round: 25 Ground: Synthetic outdoor
| ITF W25 Getxo | 2022/07/06 16:25 | Mercedes Aristegui v Selena Janicijevic | 2-6,2-6 |
| ITF W15 Cancun | 2022/06/05 15:30 | Saki Imamura v Mercedes Aristegui | 6-3,6-3 |
| ITF W15 Cancun | 2022/06/05 13:00 | Mercedes Aristegui v Almudena S-L Fernandez | 6-0,3-6,10-8 |
| ITF W15 Cancun | 2022/06/03 19:00 | Mercedes Aristegui v Alessandra Crump | 6-3,7-5 |
| ITF W15 Cancun | 2022/05/26 18:10 | Mercedes Aristegui v Katarina Kozarov | 2-6,4-6 |
| ITF W15 Cancun | 2022/05/25 14:00 | Mercedes Aristegui v Daianne Hayashida | 6-7,6-4,7-5 |
| ITF W15 Cancun | 2022/05/17 21:15 | Maria F Navarro Oliva v Mercedes Aristegui | 7-5,6-4 |
| ITF W25 Austin | 2021/10/25 17:00 | Ena Shibahara v Mercedes Aristegui | 6-2,6-3 |
| ITF W25 Tucuman | 2022/02/03 19:00 | Brenda Fruhvirtova v Lucia Peyre | 6-1,6-3 |
| ITF W25 Tucuman | 2022/02/01 18:50 | Lucia Peyre v Ana Sofia Sanchez | 3-6,6-4,6-2 |
| ITF W25 Florianopolis | 2022/01/24 11:00 | Martina Capurro Taborda v Lucia Peyre | 7-6,6-7,10-5 |
| ITF W25 Florianopolis | 2022/01/23 13:30 | Lucia Peyre v Miriana Tona | 6-4,6-4 |
| ITF W25 Florianopolis | 2022/01/17 16:20 | Julia Riera v Lucia Peyre | 6-2,6-2 |
| ITF W15 Lambare | 2021/12/17 18:00 | Lara Escauriza v Lucia Peyre | 7-5,6-3 |
| ITF W15 Lambare | 2021/12/16 17:10 | Lucia Peyre v Tiziana Rossini | 6-0,6-3 |
| ITF W15 Monastir | 2021/11/21 13:30 | Xinxin Yao v Lucia Peyre | 6-4,6-7,10-3 |