Stadium: Court 4 Round: 25 Ground: Clay
| ITF W25 Vigo | 2021/08/25 09:00 | Haruna Arakawa v Olivia Gadecki | 2-6,2-6 |
| ITF W25 Ourense | 2021/08/17 08:00 | Haruna Arakawa v Ya-Hsuan Lee | 0-6,7-6,3-6 |
| ITF W25 Koksijde | 2021/08/12 13:25 | Dea Herdzelas v Haruna Arakawa | 6-1,6-1 |
| ITF W25 Koksijde | 2021/08/10 10:45 | Haruna Arakawa v Eliessa Vanlangendonck | 6-2,6-2 |
| ITF W25 Les Contamines | 2021/07/22 13:10 | Haruna Arakawa v Jodie Anna Burrage | 1-6,1-6 |
| ITF W25 Les Contamines | 2021/07/20 10:20 | Haruna Arakawa v Flavie Brugnone | 6-3,5-7,7-6 |
| ITF W60 Vitoria-Gasteiz | 2021/07/13 08:45 | Maria G Carrasco v Haruna Arakawa | 1-6,6-2,6-2 |
| ITF W25 Lisbon | 2021/07/05 17:10 | Haruka Kaji v Haruna Arakawa | 6-2,6-3 |
| 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 Radom | 2021/08/09 09:40 | Carlota Martinez Cirez v Sapfo Sakellaridi | 6-3,7-5 |