Stadium: Court 5 Round: 26
| ITF Women Tampere | 2018/07/25 12:30 | Orpana, Oona v Tanasescu, Maria | 6-2,6-4 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/02/12 07:00 | Orpana, Oona v Rittberger, Sabrina | 6-4,7-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/02/11 09:00 | Zhang, Yukun v Orpana, Oona | 3-6,1-6 |
| ITF Women Helsinki | 2017/11/15 15:10 | Orpana, Oona v Eden Silva | 6-3,5-7,1-6 |
| ITF Women Helsinki | 2017/11/14 16:15 | Daria Kuczer v Orpana, Oona | 3-6,2-6 |
| ITF Women Nonthaburi Qual | 2017/10/09 02:00 | Orpana, Oona v En Shuo Liang | 5-7,2-6 |
| ITF Women Nonthaburi Qual | 2017/10/08 03:40 | Orpana, Oona v Georgiana Ruhrig | 6-1,6-3 |
| Nonthaburi, Simples W-WITF-THA-09A | 2017/10/03 11:55 | En Shuo Liang v Orpana, Oona | 6-4,7-6 |
| ITF Women Tampere | 2018/07/24 07:00 | Vikhrianova, Elina v Yudanov, Marina | 1-6,1-6 |
| ITF Women Darmstadt | 2018/07/18 11:15 | Kennel, Karin v Yudanov, Marina | 6-4,5-7,6-3 |
| ITF Women Darmstadt Qual | 2018/07/15 13:00 | Helene Pellicano v Yudanov, Marina | 7-5,6-7,0-6 |
| Matchs amicaux U18 | 2018/07/14 10:00 | Yudanov, Marina v Rosenqvist, Julia | 4-6,6-1,1-6 |
| Matchs amicaux U18 | 2018/07/13 10:00 | Yudanov, Marina v Dasha Ivanova | 6-2,6-1 |
| Matchs amicaux U18 | 2018/07/12 10:25 | Yudanov, Marina v Yukina Saigo | 6-2,6-4 |
| Matchs amicaux U18 | 2018/07/10 08:00 | Natalia Siedliska v Yudanov, Marina | 3-6,6-7 |
| ITF Women Alkmaar | 2018/07/01 10:30 | Yudanov, Marina v Greet Minnen | 6-0,6-2 |