Stadium: Court 5 Round: 25
| ITF Women Antalya | 2018/02/12 07:00 | Oona Orpana v Sabrina Rittberger | 6-4,7-6 |
| ITF Women Antalya | 2018/02/11 09:00 | Yukun Zhang v Oona Orpana | 3-6,1-6 |
| ITF Women Helsinki | 2017/11/15 15:10 | Oona Orpana v Eden Silva | 6-3,5-7,1-6 |
| ITF Women Helsinki | 2017/11/14 16:15 | Daria Kuczer v Oona Orpana | 3-6,2-6 |
| ITF Women Nonthaburi Qual | 2017/10/09 02:00 | Oona Orpana v En Shuo Liang | 5-7,2-6 |
| ITF Women Nonthaburi Qual | 2017/10/08 03:40 | Oona Orpana v Georgiana Ruhrig | 6-1,6-3 |
| ITF Women Nonthaburi | 2017/10/03 11:55 | En Shuo Liang v Oona Orpana | 6-4,7-6 |
| ITF Women Nonthaburi Qual | 2017/10/02 04:35 | Jiaxue Zang v Oona Orpana | 1-6,2-6 |
| ITF Women Saguenay Qual | 2017/10/21 19:35 | Maria Tanasescu v Kennedy Shaffer | 1-6,0-6 |