Stadium: Court 3 Round: 26 Ground: Clay
| ITF Women Varna | 2018/09/11 10:30 | Gvozdenovic, Sara v Gebriela Mihaylova | 6-4,6-2 |
| ITF Women Varna | 2018/09/10 06:00 | Gvozdenovic, Sara v Jacquline Nylander Altelius | 4-6,6-1,7-5 |
| ITF Women Varna | 2018/09/09 06:30 | Staiculescu, Alexandra Maria v Gvozdenovic, Sara | 3-6,6-3,2-6 |
| ITF Women Varna | 2018/09/08 06:30 | Gvozdenovic, Sara v Zarnoveanu, Gabriela Aura | 6-0,6-1 |
| ITF Women Szekesfehervar | 2018/09/05 07:00 | Sinja Kraus v Gvozdenovic, Sara | 6-4,6-2 |
| ITF Women Szekesfehervar | 2018/09/02 08:00 | Gvozdenovic, Sara v Csabi, Petra | 7-6,6-1 |
| ITF Women Vrnjacka Banja | 2018/08/24 11:00 | Malesevic, Tamara v Gvozdenovic, Sara | 6-1,6-3 |
| ITF Women Vrnjacka Banja | 2018/08/23 08:00 | Nika Radisic v Gvozdenovic, Sara | 5-7,6-7 |
| ITF Women Varna | 2018/09/10 10:00 | Beatris Spasova v Perper, Alexandra | 1-6,0-6 |
| Sofia, Singles W-WITF-BUL-01A | 2018/09/02 11:00 | Cao, Siqi v Perper, Alexandra | 4-6,6-2,7-6 |
| ITF Women Braunschweig | 2018/08/19 08:00 | Jule Niemeier v Perper, Alexandra | 6-3,6-2 |
| ITF Women Leipzig | 2018/08/12 11:00 | Iva Primorac v Perper, Alexandra | 4-6,6-4,6-3 |
| ITF Women Warsaw | 2018/08/09 13:00 | Ianchuk, Olga v Perper, Alexandra | 4-6,6-4,7-6 |
| ITF Women Warsaw | 2018/08/07 14:00 | Weronika Falkowska v Perper, Alexandra | 6-7,6-0,6-7 |
| ITF Women Bethany Beach | 2018/06/05 18:40 | Perper, Alexandra v Maria Mateas | 7-5,7-5 |
| ITF Women Naples | 2018/05/29 14:00 | Perper, Alexandra v Daniel, Kana | 6-2,2-6,5-7 |