Stadium: Court 7 Round: 44
| ITF Women Oldenzaal | 2018/08/15 08:00 | Eliessa Vanlangendonck v Sina Herrmann | 6-2,6-3 |
| ITF Women Oldenzaal | 2018/08/14 07:30 | Sina Herrmann v Kathleen Kanev | 6-4,7-5 |
| ITF Women Oldenzaal | 2018/08/12 07:30 | Sina Herrmann v Bulatovic, Carolina | 6-1,6-7,6-4 |
| ITF Women Bad Saulgau Qual | 2018/07/30 16:00 | Sina Herrmann v Talaba, Gabriela | 3-6,6-3,3-6 |
| ITF Women Darmstadt Qual | 2018/07/16 11:00 | Kennel, Karin v Sina Herrmann | 6-1,6-4 |
| 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 |
| ITF Women Oldenzaal | 2018/08/12 13:00 | Cameron, Dainah v Versteeg, Kelly | 6-2,6-2 |
| Koksijde, Singles W-WITF-BEL-04A | 2018/08/05 15:05 | Versteeg, Kelly v Arianne Hartono | 3-6,7-6,0-6 |
| Koksijde, Singles W-WITF-BEL-04A | 2018/08/04 12:15 | Karregat, Dominique v Versteeg, Kelly | 5-7,6-7 |
| ITF Women Les Contamines | 2018/07/26 13:00 | Pysson, Justine v Versteeg, Kelly | 4-6,6-4,6-3 |
| ITF Women Les Contamines | 2018/07/25 14:40 | Versteeg, Kelly v Lampla, Louise | 2-6,6-1,6-1 |
| ITF Women Brussels Qual | 2018/07/14 14:50 | Versteeg, Kelly v Kilic, Karla | 3-6,2-6 |
| ITF Women Knokke | 2018/07/08 08:00 | Versteeg, Kelly v Tiphanie Lemaitre | 4-6,6-4,3-6 |
| ITF Women Knokke | 2018/07/07 09:30 | Tarun, Aimee v Versteeg, Kelly | 2-6,6-1,4-6 |