Stadium: Court 3 Round: 27 Ground: Hardcourt outdoor
| ITF W25 Marbella | 2021/08/30 09:30 | Ekaterina Bychkova v Nadine Keller | 7-6,6-2 |
| ITF W25 Verbier | 2021/08/26 12:15 | Nadine Keller v Joanne Zuger | 2-6,2-6 |
| ITF W25 Verbier | 2021/08/24 09:15 | Nadine Keller v Aurora Zantedeschi | 6-2,6-1 |
| ITF W15 Monastir | 2021/07/28 10:25 | Olga Helmi v Nadine Keller | 7-5,6-3 |
| ITF W15 Monastir | 2021/07/27 09:00 | Nadine Keller v Jimar G G Gonzalez | 6-0,6-4 |
| ITF W15 Monastir | 2021/07/26 11:30 | Nadine Keller v Smriti Bhasin | 6-2,6-1 |
| ITF W15 Monastir | 2021/07/22 10:40 | Nadine Keller v Eliessa Vanlangendonck | 0-6,0-6 |
| ITF W15 Monastir | 2021/07/21 08:30 | Nadine Keller v Humera Baharmus | 6-4,6-2 |
| ITF W15 Monastir | 2021/09/08 10:25 | Emma Van Poppel v Adithya Karunaratne | 2-6,1-6 |
| ITF W25 Marbella | 2021/09/01 07:55 | Adithya Karunaratne v Angela Fita Boluda | 0-6,6-2,1-6 |
| ITF W25 Marbella | 2021/08/31 07:50 | Adithya Karunaratne v Valeria Gorlats | 4-6,6-2,10-7 |
| ITF W25 Marbella | 2021/08/30 08:00 | Adithya Karunaratne v Maria Jose Zehnder | 6-1,6-1 |
| ITF W25 Ourense | 2021/08/16 08:00 | Amy Zhu v Adithya Karunaratne | 7-5,6-2 |
| ITF W15 Monastir | 2021/07/29 10:35 | Adithya Karunaratne v Jessica Failla | 4-6,5-7 |
| ITF W15 Monastir | 2021/07/27 08:00 | Beatrice Laura Pirtac v Adithya Karunaratne | 0-6,1-6 |
| ITF W15 Monastir | 2021/07/20 08:30 | Adithya Karunaratne v Julia Riera | 2-6,6-2,5-7 |