Stadium: Pista BMW Round: 25 Ground: Hardcourt outdoor
| 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 |
| ITF W25 Figueira Da Foz | 2021/06/16 14:55 | Hiroko Kuwata v Guttierez Carrasco, Maria | 1-6,3-6 |
| ITF W25 Lisbon | 2021/07/05 17:10 | Haruka Kaji v Haruna Arakawa | 6-2,6-3 |
| ITF W25 Palma del Rio | 2021/07/01 19:00 | Haruna Arakawa v Anastasia Zakharova | 1-6,3-6 |
| ITF W25 Palma del Rio | 2021/06/29 17:00 | Atucha Gomez, Ainhoa v Haruna Arakawa | 5-7,2-6 |
| ITF W25 Porto | 2021/06/23 14:45 | Anastasia Tikhonova v Haruna Arakawa | 7-5,6-0 |
| ITF - W15 Monastir | 2021/06/05 08:30 | Haruna Arakawa v Himeno Sakatsume | 1-6,5-7 |
| ITF - W15 Monastir | 2021/06/04 08:25 | Haruna Arakawa v Lauren Proctor | 6-2,7-5 |
| ITF - W15 Monastir | 2021/06/02 08:30 | Haruna Arakawa v Chiraz Bechri | 7-6,7-5 |
| ITF - W15 Monastir | 2021/05/27 08:30 | Haruna Arakawa v Alice Gillan | 2-6,6-2,6-3 |