Stadium: Court 2 Round: 54
| ITF Women Caserta Qual | 2018/05/19 13:55 | Pirazhenka, Sviatlana v Bunea, Nicole | 6-2,6-3 |
| ITF Women San Severo | 2018/05/16 17:00 | Jule Niemeier v Pirazhenka, Sviatlana | 6-2,6-1 |
| ITF Women San Severo | 2018/05/15 08:00 | Gaia Squarcialupi v Pirazhenka, Sviatlana | 3-6,3-6 |
| Tbilisi, Singles W-WITF-GEO-01A | 2018/05/01 06:00 | Pirazhenka, Sviatlana v Kolar, Nastja | 3-6,4-6 |
| Karshi, Singles W-WITF-UZB-01A | 2018/04/23 10:15 | Pirazhenka, Sviatlana v Margarita Betova | 4-6,2-6 |
| ITF Women Solarino | 2018/03/03 09:30 | Rubini, Stefania v Pirazhenka, Sviatlana | 6-4,6-2 |
| ITF Women Solarino | 2018/03/02 09:30 | Koelzer, Romy v Pirazhenka, Sviatlana | 7-6,4-6,4-6 |
| ITF Women Solarino | 2018/03/01 09:00 | Pirazhenka, Sviatlana v Kilnarova, Monika | 6-4,6-3 |
| ITF Women Caserta Qual | 2018/05/19 09:50 | de Santis, Elena v Gatica, Barbara | 3-6,0-6 |
| ITF Women Villa del Dique | 2018/04/27 15:20 | Gatica, Barbara v Thaisa Grana Pedretti | 4-6,3-6 |
| ITF Women Villa del Dique | 2018/04/26 14:45 | Caroline Romeo v Gatica, Barbara | 4-6,2-6 |
| ITF Women Villa del Dique | 2018/04/25 12:30 | Julieta Lara Estable v Gatica, Barbara | 6-3,6-7,2-6 |
| ITF Women Villa del Dique | 2018/04/23 15:00 | Schaefer, Dominique v Gatica, Barbara | 6-7,3-6 |
| ITF Women Villa Dolores | 2018/04/17 18:55 | Gatica, Barbara v Rebeca Pereira | 2-6,3-6 |
| ITF Women SJD Campos Qual | 2018/03/15 17:15 | Lucero, Carla v Gatica, Barbara | 6-2,6-2 |
| ITF Women SJD Campos Qual | 2018/03/13 16:50 | Guimaraes Bueno, Flavia v Gatica, Barbara | 5-7,0-6 |