Stadium: Court 2 Round: 27
| ITF Women Braunschweig | 2018/08/23 12:00 | Olga Saez Larra v Maria F Herazo Gonzalez | 6-4,7-5 |
| ITF Women Braunschweig | 2018/08/22 12:25 | Olga Saez Larra v Alexandra Panova | 6-2,7-6 |
| ITF Women LPD Gran Canaria | 2018/08/16 12:00 | Olga Saez Larra v Chloe Paquet | 2-6,1-6 |
| ITF Women LPD Gran Canaria | 2018/08/15 09:00 | Olga Saez Larra v Reka-Luca Jani | 6-2,6-0 |
| ITF Women LPD Gran Canaria | 2018/08/13 14:30 | Olga Saez Larra v Ipek Soylu | 7-5,7-6 |
| ITF Women El Espinar | 2018/08/01 16:15 | Andrea Lazaro Garcia v Olga Saez Larra | 7-5,4-6,6-3 |
| ITF Women El Espinar | 2018/07/31 11:10 | Mia Nicole Eklund v Olga Saez Larra | 1-6,1-6 |
| ITF Women Porto | 2018/07/28 10:00 | Jil Teichmann v Olga Saez Larra | 6-2,6-4 |
| 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 |
| WTA - Charleston - Kvalifikation | 2018/03/31 19:15 | Georgina Garcia-Perez v Greta Arn | 6-2,7-6 |
| ITF Women Dubai Qual | 2017/12/11 06:30 | Fanny Stollar v Greta Arn | 6-3,5-7,6-3 |
| ITF Women Dubai Qual | 2017/12/10 06:00 | Greta Arn v Valeria Savinykh | 6-3,6-4 |