Stadium: Court 2 Round: 54 Ground: Clay
| ITF Women Minsk | 2018/11/04 12:15 | Marfutina, Maria v Efremova, Aleksandra | 6-2,3-6,6-0 |
| Istanbul, Singles W-WITF-TUR-28B | 2018/10/21 09:50 | Marfutina, Maria v Vrljic, Ana | 5-7,2-6 |
| ITF Women Dobrich | 2018/09/20 07:00 | Marfutina, Maria v Piter, Katarzyna | 6-2,3-6,5-7 |
| ITF Women Dobrich | 2018/09/18 07:00 | Marfutina, Maria v Lia Karatancheva | 6-2,6-1 |
| ITF Women Dobrich | 2018/09/17 06:30 | Marfutina, Maria v Horackova, Gabriela | 7-6,7-5 |
| ITF Women Dobrich | 2018/09/16 11:00 | Marfutina, Maria v Youseva, Rozalina | 6-0,6-3 |
| ITF Women Budapest | 2018/08/26 18:50 | Marfutina, Maria v Paula Ormaechea | 3-6,4-6 |
| ITF Women Budapest | 2018/08/25 12:40 | Osaka, Mari v Marfutina, Maria | 1-6,2-6 |
| ITF Women Minsk | 2018/11/04 12:35 | Kseniya Yersh v Heisen, Vivian | 6-4,0-6,1-6 |
| ITF Women Oslo | 2018/10/21 08:00 | Heisen, Vivian v Shoshyna, Anastasiya | 5-7,4-6 |
| ITF Women Oslo | 2018/10/20 09:30 | Heisen, Vivian v Stange, Ine Soltveit | 6-1,6-1 |
| ITF Women Brisbane | 2018/10/06 00:00 | Perez, Ellen v Heisen, Vivian | 7-6,7-6 |
| ITF Women Brisbane | 2018/10/05 04:00 | Dalma Galfi v Heisen, Vivian | 3-6,5-7 |
| ITF Women Brisbane | 2018/10/04 00:00 | Chihiro Muramatsu v Heisen, Vivian | 3-6,6-4,5-7 |
| ITF Women Brisbane | 2018/10/03 01:30 | Heisen, Vivian v Taylor, Gabriella | 6-2,6-1 |
| ITF Women Brisbane | 2018/10/01 02:45 | Maddison Inglis v Heisen, Vivian | 6-4,3-6,6-7 |