Stadium: Hard 4 Round: 27 Ground: Clay
| ITF Women Antalya | 2018/12/01 09:15 | Oona Orpana v Carole Monnet | 7-5,6-2 |
| ITF Women Antalya | 2018/11/27 09:30 | Angelina Zhuravleva v Oona Orpana | 3-6,0-6 |
| ITF Women Antalya | 2018/11/08 09:10 | Marta Lesniak v Oona Orpana | 2-6,6-3,7-6 |
| ITF Women Antalya | 2018/11/06 07:00 | Oona Orpana v Zeynep Sena Sarioglan | 6-0,6-1 |
| ITF Women Stockholm | 2018/11/02 11:00 | Oona Orpana v Anastasia Kulikova | 4-6,5-7 |
| ITF Women Stockholm | 2018/11/01 11:00 | Oona Orpana v Julita Saner | 6-3,6-3 |
| ITF Women Stockholm | 2018/10/30 11:00 | Oona Orpana v Jacquline Nylander Altelius | 6-3,6-3 |
| ITF Women Oslo | 2018/10/21 10:15 | Varvara Gracheva v Oona Orpana | 7-5,6-3 |
| ITF Women Antalya | 2018/12/01 07:40 | Sofia Dmitrieva v Katyarina Paulenka | 0-6,0-6 |
| ITF Women Antalya | 2018/11/22 07:30 | Katyarina Paulenka v Kirsten-Andrea Weedon | 6-4,1-6,4-6 |
| ITF Women Antalya | 2018/11/21 09:00 | Stephanie Judith Visscher v Katyarina Paulenka | 6-7,2-6 |
| ITF Women Minsk | 2018/11/05 09:40 | Katyarina Paulenka v Valeriya Yushchenko | 1-6,1-6 |
| ITF Women Minsk | 2018/11/04 10:20 | Vlada Koval v Katyarina Paulenka | 6-7,3-6 |
| ITF Women Shymkent | 2018/09/25 06:15 | Viktoriia Kalinina v Katyarina Paulenka | 6-4,6-4 |
| ITF Women Shymkent | 2018/09/18 06:35 | Dariya Detkovskaya v Katyarina Paulenka | 6-1,6-3 |
| ITF Women Minsk | 2018/06/16 07:00 | Katyarina Paulenka v Margaux Bovy | 6-4,6-3 |