Stadium: Court 3 Round: 54
| ITF Women Berkeley Qual | 2018/07/15 23:05 | Sabrina Santamaria v Makenna Thiel | 6-3,6-2 |
| ITF Women Wiesbaden | 2018/04/24 12:45 | Dalma Galfi v Sabrina Santamaria | 6-4,6-2 |
| WTA Bogota Qual | 2018/04/07 16:50 | Lizette Cabrera v Sabrina Santamaria | 6-0,6-4 |
| WTA Monterrey Qual | 2018/04/02 16:00 | Sabrina Santamaria v Dalila Jakupovic | 2-6,5-7 |
| WTA Monterrey Qual | 2018/04/01 19:35 | Miyu Kato v Sabrina Santamaria | 6-1,3-6,3-6 |
| WTA Monterrey Qual | 2018/03/31 20:15 | Nadia Podoroska v Sabrina Santamaria | 4-6,6-2,5-7 |
| ITF Women Heraklion | 2018/03/15 12:00 | Francesca Jones v Sabrina Santamaria | 7-6,6-1 |
| ITF Women Heraklion | 2018/03/14 09:25 | Elena-Teodora Cadar v Sabrina Santamaria | 3-6,2-6 |
| ITF Women Berkeley Qual | 2018/07/15 23:50 | Sabastiani Leon v Olivia Hauger | 5-7,6-2,6-4 |
| ITF Women Honolulu Qual | 2018/07/08 23:30 | Sabastiani Leon v Michaela Gordon | 3-6,1-6 |
| ITF Women Baotou Qual | 2018/05/21 03:50 | Mei Xu Wu v Sabastiani Leon | 7-6,6-0 |
| ITF Women Wuhan Qual | 2018/05/13 05:30 | Jiahui Chen v Sabastiani Leon | 7-5,6-4 |
| ITF Women Luan Qual | 2018/05/08 03:00 | Xinyu Jiang v Sabastiani Leon | 6-3,6-0 |
| ITF Women Luan Qual | 2018/05/07 02:30 | Sabastiani Leon v Yidi Yang | 7-5,6-2 |
| ITF Women Indian Harbour Qual | 2018/04/09 17:45 | Sabastiani Leon v Ingrid Neel | 0-6,3-6 |
| ITF Women Indian Harbour Qual | 2018/04/08 20:40 | Alessandra Crump v Sabastiani Leon | 1-6,1-6 |