Stadium: Pista BMW Round: 26 Ground: Hardcourt outdoor
| ITF W60 Vitoria-Gasteiz | 2021/07/14 11:40 | Indy De Vroome v Perez-Somarriba, Estela | 1-6,5-7 |
| ITF W60 Vitoria-Gasteiz | 2021/07/12 10:00 | Perez-Somarriba, Estela v Mina Hodzic | 7-5,6-0 |
| ITF W60 Vitoria-Gasteiz | 2021/07/11 07:25 | Perez-Somarriba, Estela v Elizabeth Jurna | 6-0,6-2 |
| ITF W25 Lisbon | 2021/07/05 11:40 | Olivia Gadecki v Perez-Somarriba, Estela | 6-3,4-6,10-6 |
| ITF W25 Lisbon | 2021/07/04 15:25 | Morais, Matilde v Perez-Somarriba, Estela | 0-6,2-6 |
| ITF W25 Palma del Rio | 2021/07/01 18:50 | Andrea Lazaro Garcia v Perez-Somarriba, Estela | 6-4,6-4 |
| ITF W25 Palma del Rio | 2021/06/29 19:00 | Namigata, Junri v Perez-Somarriba, Estela | 1-6,4-6 |
| ITF W25 Palma del Rio | 2021/06/28 18:30 | Mana Ayukawa v Perez-Somarriba, Estela | 1-6,0-6 |
| ITF W60 Vitoria-Gasteiz | 2021/07/13 08:45 | Guttierez Carrasco, Maria v Haruna Arakawa | 1-6,6-2,6-2 |
| ITF W60 Amstelveen | 2021/07/06 08:00 | Guttierez Carrasco, Maria v Yana Morderger | 2-6,3-6 |
| ITF W60 Amstelveen | 2021/07/05 12:20 | Guttierez Carrasco, Maria v Spee, Bente | 6-1,6-1 |
| ITF W25 Porto | 2021/06/24 14:10 | Sofya Lansere v Guttierez Carrasco, Maria | 3-6,5-7 |
| ITF W25 Porto | 2021/06/22 15:40 | Guttierez Carrasco, Maria v Morais, Matilde | 6-2,6-4 |
| ITF W25 Figueira Da Foz | 2021/06/19 10:00 | Tessah Andrianjafitrimo v Guttierez Carrasco, Maria | 6-2,6-2 |
| ITF W25 Figueira Da Foz | 2021/06/18 17:30 | Guttierez Carrasco, Maria v Yuriko Lily Miyazaki | 0-6,6-0,6-2 |
| ITF W25 Figueira Da Foz | 2021/06/18 13:15 | Francisca Jorge v Guttierez Carrasco, Maria | 7-5,4-6,1-6 |