Stadium: O Round: 25 Ground: Synthetic outdoor
| ITF Women Croissy-Beaubourg | 2018/03/28 09:30 | Vitalia Diatchenko v Katarzyna Piter | 6-3,6-4 |
| ITF Women Croissy-Beaubourg | 2018/03/27 10:55 | Katarzyna Piter v Viktoria Hruncakova | 2-6,6-0,6-4 |
| ITF Women Croissy-Beaubourg Qual | 2018/03/26 11:40 | Katarzyna Piter v Harmony Tan | 3-6,4-6 |
| ITF Women Croissy-Beaubourg Qual | 2018/03/25 14:50 | Petra Krejsova v Katarzyna Piter | 2-6,7-6,5-7 |
| ITF Women Croissy-Beaubourg Qual | 2018/03/24 09:00 | Maia Lumsden v Katarzyna Piter | 4-6,3-6 |
| ITF Women Sharm El Sheikh | 2018/03/15 08:00 | Susan Bandecchi v Katarzyna Piter | 5-7,7-5,6-3 |
| ITF Women Sharm El Sheikh | 2018/03/13 08:00 | Margarita Skryabina v Katarzyna Piter | 5-7,6-2,1-6 |
| ITF Women Sharm El Sheikh | 2018/03/07 08:00 | Katarzyna Piter v Valeria Bhunu | 0-6,6-3,6-7 |
| ITF Women Heraklion | 2018/04/01 06:15 | Lisa Sabino v Monika Kilnarova | 3-6,3-6 |
| ITF Women Heraklion | 2018/03/31 07:30 | Romy Koelzer v Monika Kilnarova | 3-6,4-6 |
| ITF Women Heraklion | 2018/03/30 09:15 | Josephine Boualem v Monika Kilnarova | 1-6,0-6 |
| ITF Women Heraklion | 2018/03/29 07:30 | Lisa Ponomar v Monika Kilnarova | 2-6,3-6 |
| ITF Women Heraklion | 2018/03/28 06:00 | Emilie Francati v Monika Kilnarova | 2-6,6-7 |
| ITF Women Heraklion | 2018/03/24 10:00 | Francesca Jones v Monika Kilnarova | 3-6,2-6 |
| ITF Women Heraklion | 2018/03/23 10:30 | Maria Jespersen v Monika Kilnarova | 1-6,5-7 |
| ITF Women Heraklion | 2018/03/20 10:35 | Leylah Annie Fernandez v Monika Kilnarova | 6-7,6-7 |