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