Stadium: Court 6 Round: 25 Ground: Clay
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/04/30 07:30 | Suomalainen, Piia v Garshong, Iman | 6-0,6-1 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/04/25 09:40 | Suomalainen, Piia v Julia Stamatova | 6-2,1-6,3-6 |
| Fed Cup, Groupe Mondial | 2018/04/19 08:00 | Suomalainen, Piia v Atik, Rita | 2-6,4-6 |
| Fed Cup, Groupe Mondial | 2018/04/18 08:00 | Suomalainen, Piia v Poluta, Katie | 6-7,6-0,6-3 |
| Billie Jean King Cup | 2018/04/17 08:00 | Suomalainen, Piia v Ratkovic, Divna | 6-1,6-1 |
| Fed Cup, Groupe Mondial | 2018/04/16 08:00 | Suomalainen, Piia v Muraa, Judith | 6-2,6-1 |
| ITF Women Heraklion | 2018/03/28 09:20 | Sabino, Lisa v Suomalainen, Piia | 6-3,6-1 |
| ITF Women Heraklion | 2018/03/26 07:00 | Suomalainen, Piia v Sara Lanca | 6-0,6-3 |
| ITF Women Tucepi | 2018/04/25 11:00 | Pospelova, Aleksandra v Noa Krznaric | 6-3,4-6,4-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/02/15 07:00 | Amina Anshba v Pospelova, Aleksandra | 6-1,3-6,6-4 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/02/14 11:05 | Tatachar Venugopal, Dhruthi v Pospelova, Aleksandra | 6-7,2-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/02/08 10:45 | Pospelova, Aleksandra v Vajdova, Natalia | 4-6,3-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/02/01 09:05 | Vajdova, Natalia v Pospelova, Aleksandra | 6-3,6-4 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/01/31 08:00 | Pospelova, Aleksandra v Sanesi, Gaia | 6-2,4-6,6-2 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/01/25 07:30 | Pospelova, Aleksandra v Palkina, Ksenia | 5-7,6-4,7-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/01/23 08:30 | Pospelova, Aleksandra v Makhorkina, Anna | 6-4,6-0 |