Stadium: Court 3 Round: 26 Ground: Clay
| ITF W25 Marbella | 2021/09/01 12:50 | Haruna Arakawa v Carlota Martinez Cirez | 6-7,4-6 |
| ITF W15 Wanfercee-Baulet | 2021/08/27 15:30 | Sofia Nami Samavati v Carlota Martinez Cirez | 7-6,1-6,6-1 |
| ITF W15 Wanfercee-Baulet | 2021/08/26 15:30 | Demi Tran v Carlota Martinez Cirez | 0-6,1-6 |
| ITF W15 Wanfercee-Baulet | 2021/08/25 15:25 | Sofia Costoulas v Carlota Martinez Cirez | 3-6,2-6 |
| ITF W60 San Bartolome De Tirajana | 2021/08/18 08:30 | Carlota Martinez Cirez v Cristiana Ferrando | 4-6,2-6 |
| ITF W25 Radom | 2021/08/12 09:55 | Lucrezia Stefanini v Carlota Martinez Cirez | 6-1,6-3 |
| ITF W25 Radom | 2021/08/11 09:35 | Carlota Martinez Cirez v Mana Kawamura | 7-6,7-5 |
| ITF W25 Radom | 2021/08/09 13:15 | Aleksandra Julia Jelen v Carlota Martinez Cirez | 1-6,1-6 |
| ITF W25 Marbella | 2021/09/01 12:30 | Celia Cervino Ruiz v Eva Guerrero Alvarez | 6-7,4-6 |
| Wimbledon Women | 2021/06/23 10:00 | Oceane Dodin v Eva Guerrero Alvarez | 7-6,6-3 |
| French Open Women | 2021/05/24 14:00 | Lois Boisson v Eva Guerrero Alvarez | 6-0,4-6,6-3 |
| WTA Madrid | 2021/04/27 12:30 | Eva Guerrero Alvarez v Misaki Doi | 3-6,2-6 |
| ITF W25 Oeiras | 2021/04/23 08:55 | Anhelina Kalinina v Eva Guerrero Alvarez | 0-6,7-5,6-1 |
| ITF W25 Oeiras | 2021/04/22 10:55 | Beatriz Haddad Maia v Eva Guerrero Alvarez | 4-6,6-1,5-7 |
| ITF W25 Oeiras | 2021/04/21 10:25 | Olga Saez Larra v Eva Guerrero Alvarez | 1-6,3-6 |
| ITF W60 Oeiras | 2021/04/17 09:00 | Anhelina Kalinina v Eva Guerrero Alvarez | 6-1,6-2 |