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