Stadium: Centre Court Darmstadt Round: 54
| ITF Women Darmstadt Qual | 2018/07/15 10:00 | Kennel, Karin v Selina Dal | 6-2,6-1 |
| Matchs amicaux U18 | 2018/07/11 09:00 | Kennel, Karin v Intert, Amelie | 6-2,4-6,6-4 |
| ITF Women Aschaffenburg Qual | 2018/07/02 11:00 | Kennel, Karin v Lysa, Yuliya | 5-7,2-6 |
| ITF Women Aschaffenburg Qual | 2018/07/01 13:30 | Kennel, Karin v Milenkovic, Kristina | 6-2,6-2 |
| ITF Women Bastad | 2018/06/26 08:45 | Kennel, Karin v Matvienko, Lisa | 2-6,3-6 |
| ITF Women Klosters | 2018/06/19 08:00 | Kennel, Karin v Jesika Maleckova | 2-6,1-6 |
| Obidos, Singles W-WITF-POR-12A | 2018/06/12 09:30 | Kennel, Karin v Dalila Spiteri | 3-6,4-6 |
| ITF Women Canberra | 2018/03/28 00:50 | Kennel, Karin v Hozumi, Eri | 5-7,4-6 |
| ITF Women Darmstadt Qual | 2018/07/15 10:00 | Sina Herrmann v Suvrijn, Jade | 6-2,6-1 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/04/03 07:00 | Sina Herrmann v Anastasia Gasanova | 3-6,2-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/04/01 06:30 | Vivien Sandberg v Sina Herrmann | 2-6,2-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/03/25 07:00 | Anna Ozerova v Sina Herrmann | 7-5,6-3 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/03/24 06:30 | Sina Herrmann v Katherine Barnes | 6-2,6-2 |
| ITF Women Stuttgart | 2018/01/22 09:00 | Sina Herrmann v Munozova, Anette | 5-7,0-6 |
| ITF Women Horb Qual | 2017/07/23 22:00 | Sina Herrmann v Grimm, Chiara | 3-6,0-6 |
| ITF Women Santa Margherita Qual | 2017/04/17 13:00 | Burnett, Nastassya v Sina Herrmann | 6-3,6-4 |