Round: 54 Ground: Clay
| ITF Women Petange | 2018/10/29 10:30 | Berfu Cengiz v Pirazhenka, Sviatlana | 3-6,6-1,6-2 |
| ITF Women Oslo | 2018/10/23 08:00 | Pirazhenka, Sviatlana v Chloe Paquet | 3-6,3-6 |
| ITF Women Cherbourg | 2018/10/08 11:30 | Yerolymos, Margot v Pirazhenka, Sviatlana | 6-4,6-2 |
| Clermont-Ferrand, Singles W-WITF-FRA-23A | 2018/09/26 09:50 | Pirazhenka, Sviatlana v Reix, Sherazad | 1-6,2-6 |
| Biarritz, Simples W-WITF-FRA-17A | 2018/09/09 10:25 | Reix, Sherazad v Pirazhenka, Sviatlana | 7-6,6-3 |
| ITF Women Zagreb | 2018/09/02 15:05 | Lister, Cornelia v Pirazhenka, Sviatlana | 6-4,6-0 |
| ITF Women Zagreb | 2018/09/02 10:20 | Pirazhenka, Sviatlana v Bojic, Milica | 6-3,6-4 |
| ITF Women Rotterdam | 2018/08/26 11:00 | Marina Bassols Ribera v Pirazhenka, Sviatlana | 7-5,6-2 |
| ITF Women Chornomorsk | 2018/10/01 09:00 | Lukacs, Vanda v Yakubovich, Alesya | 6-4,6-0 |
| ITF Women Parnu | 2018/07/18 08:00 | Yakubovich, Alesya v Zotova, Maria | 4-6,5-7 |
| ITF Women Parnu | 2018/07/17 15:15 | Sokal, Hanna v Yakubovich, Alesya | 3-6,2-6 |
| ITF Women Parnu | 2018/07/16 10:00 | Yakubovich, Alesya v Celik, Susanne | 6-4,6-4 |
| Minsk, Singles Qualifying W-WITF-BLR-01A | 2018/06/09 07:00 | Martemyanova, Anna v Yakubovich, Alesya | 3-6,6-4,6-2 |
| ITF Women Minsk | 2018/06/04 08:30 | Yakubovich, Alesya v Kurginyan, Nonna | 3-6,1-6 |
| ITF Women Hammamet | 2018/05/08 10:20 | Yakubovich, Alesya v Noelia Bouzo Zanotti | 6-4,4-6,0-6 |
| ITF Women Hammamet | 2018/05/06 09:00 | Ata, Sarra v Yakubovich, Alesya | 5-7,1-6 |