Stadium: Centre Court Round: 44
| ITF Women Leipzig | 2018/08/12 09:00 | Khabibulina, Albina v Hering, Katharina | 3-6,6-3,6-4 |
| Koksijde, Singles W-WITF-BEL-04A | 2018/08/07 12:00 | Hering, Katharina v Lucrezia Stefanini | 6-2,3-6,2-6 |
| Koksijde, Singles W-WITF-BEL-04A | 2018/08/05 12:15 | Hering, Katharina v Delgado, Luniuska | 6-1,3-6,6-3 |
| Koksijde, Singles W-WITF-BEL-04A | 2018/08/04 10:00 | Hering, Katharina v Glaude, Laure Line | 6-1,6-1 |
| ITF Women Horb Qual | 2018/07/24 10:00 | Lea Boskovic v Hering, Katharina | 6-1,6-7,6-2 |
| ITF Women Horb Qual | 2018/07/23 11:30 | Himari Sato v Hering, Katharina | 1-6,4-6 |
| ITF Women Darmstadt Qual | 2018/07/16 10:00 | Hering, Katharina v Koelzer, Romy | 3-6,7-5,3-6 |
| ITF Women Versmold Qual | 2018/07/08 12:05 | Pemra Ozgen v Hering, Katharina | 3-6,6-2,6-4 |
| ITF Women Oldenzaal | 2018/08/13 07:30 | Arabella Koller v Dijkman, Dewi | 6-4,6-3 |
| ITF Women Oldenzaal | 2018/08/12 09:30 | Casteleyn, Emily v Dijkman, Dewi | 6-4,5-7,5-7 |
| ITF Women Don Benito | 2018/07/15 14:30 | Dijkman, Dewi v Perez-Somarriba, Estela | 0-6,3-6 |
| ITF Women Knokke | 2018/07/09 08:00 | Dijkman, Dewi v Carla Touly | 3-6,3-6 |
| ITF Women Knokke | 2018/07/08 08:00 | Verbeeck, Helena v Dijkman, Dewi | 2-6,3-6 |
| ITF Women Knokke | 2018/07/07 11:00 | Dijkman, Dewi v Lemonakis, Maria | 4-6,6-2,7-5 |
| ITF Women Den Haag Qual | 2018/07/02 10:00 | Dijkman, Dewi v Nieuwboer, Perla | 1-6,2-6 |
| ITF Women Den Haag Qual | 2018/07/01 10:30 | Dijkman, Dewi v Cavero Roeper, Ana Jocelijn | 6-2,6-2 |