Stadium: Centre Court Round: 44
| ITF Women Kaltenkirchen | 2018/06/19 11:50 | Anna Klasen v Pirazhenka, Sviatlana | 6-2,6-3 |
| s-Hertogenbosch, Netherlands, Qualifying | 2018/06/10 13:50 | Veronika Kudermetova v Pirazhenka, Sviatlana | 6-2,6-3 |
| s-Hertogenbosch, Netherlands, Qualifying | 2018/06/09 12:45 | Pirazhenka, Sviatlana v Perez, Ellen | 7-6,6-4 |
| ITF Women Caserta Qual | 2018/05/20 11:40 | Pirazhenka, Sviatlana v Gatica, Barbara | 3-6,4-6 |
| 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 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2017/11/11 14:00 | Isha Budwal v Komar, Natalia | 6-4,7-5 |