Stadium: Court 1 Round: 26
| ITF Women Lisbon | 2018/09/19 14:05 | Greta Arn v Mirjam Bjorklund | 6-2,2-6,6-0 |
| ITF Women Braunschweig | 2018/08/25 14:45 | Jule Niemeier v Greta Arn | 0-6,6-0,7-6 |
| ITF Women Braunschweig | 2018/08/24 12:50 | Olga Saez Larra v Greta Arn | 3-6,4-6 |
| ITF Women Braunschweig | 2018/08/23 14:00 | Alexandra Vecic v Greta Arn | 6-7,0-6 |
| ITF Women Braunschweig | 2018/08/21 12:35 | Greta Arn v Cindy Burger | 7-5,6-3 |
| WTA Gstaad Qual | 2018/07/14 15:50 | Greta Arn v Allie Kiick | 2-6,2-6 |
| ITF Women Budapest | 2018/07/09 11:00 | Tena Lukas v Greta Arn | 6-2,6-4 |
| ITF Women Indian Harbour | 2018/04/11 17:40 | Ons Jabeur v Greta Arn | 6-3,6-0 |
| ITF Women Lisbon | 2018/09/18 12:15 | Yvonne Cavalle-Reimers v Claudia Cianci | 6-1,6-2 |
| ITF Women Biarritz | 2018/09/10 10:00 | Yvonne Cavalle-Reimers v Rebecca Sramkova | 1-6,4-6 |
| ITF Women Biarritz | 2018/09/09 10:00 | Yvonne Cavalle-Reimers v Karen Marthiens | 6-2,6-0 |
| ITF Women Montreux | 2018/09/03 15:00 | Akgul Amanmuradova v Yvonne Cavalle-Reimers | 7-6,6-2 |
| ITF Women Montreux | 2018/09/02 16:00 | Sandy Marti v Yvonne Cavalle-Reimers | 3-6,6-4,4-6 |
| ITF Women LPD Gran Canaria Qual | 2018/08/13 10:55 | Yvonne Cavalle-Reimers v Jade Suvrijn | 2-6,1-6 |
| ITF Women LPD Gran Canaria Qual | 2018/08/12 14:00 | Yvonne Cavalle-Reimers v Sandy Marti | 6-1,7-5 |
| ITF Women LPD Gran Canaria | 2018/08/09 11:50 | Yvonne Cavalle-Reimers v Victoria Kan | 2-6,0-6 |