Results
| ITF W50 Austin | 11/13 19:05 | - | Cristina R Sierra v Merna Refaat | 3-6,6-3,3-6 | |
| ITF W50 Austin | 11/12 15:30 | - | Eszter Meri v Cristina R Sierra | 3-6,5-7 | |
| ITF W50 Austin | 11/11 17:00 | - | Anastasiya Lopata v Cristina R Sierra | 7-6,4-6,3-5 | |
| ITF W50 Austin | 11/10 18:30 | - | Lisa Whybourn v Cristina R Sierra | 2-6,1-6 | |
| ITF W50 Ourense | 08/03 17:11 | - | Cristina R Sierra v Claudia Ferrer Perez | 5-7,3-6 | |
| ITF W35 Don Benito | 07/09 06:30 | - | Victoria Allen v Cristina R Sierra | 6-0,6-1 | |
| ITF W35 Don Benito | 07/07 17:00 | - | Cristina R Sierra v Ecaterina Visnevscaia | 7-6,5-7,1-0 | |
| ITF W15 Getxo | 07/01 09:00 | - | Cristina R Sierra v Cayetana Gay | 3-6,7-5,5-7 | |
| ITF W35 Segovia | 07/22 12:35 | 25 |
Cristina R Sierra v
Nahia Berecoechea
|
1-6,6-7 | |
| ITF W15 Madrid | 06/14 09:30 | 27 | Cristina R Sierra v Francesca Pace | 0-6,2-6 | |
| ITF W15 Madrid | 06/13 12:50 | 26 | Paula Arias Manjon v Cristina R Sierra | 4-6,3-6 | |
| ITF W15 Madrid | 06/11 10:30 | 25 | Marina Benito v Cristina R Sierra | 3-6,5-7 |
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