Stadium: Court 4 Round: 26 Ground: Synthetic outdoor
| ITF Women Ismaning | 2016/10/17 07:00 | Koelzer, Romy v Nicole Gadient | 6-7,6-2,6-4 |
| ITF Women Solarino | 2018/02/26 09:00 | Koelzer, Romy v Yana Morderger | 6-1,6-3 |
| Altenkirchen, Singles W-WITF-GER-02A | 2018/02/21 16:25 | Monova, Polina v Koelzer, Romy | 6-1,6-3 |
| ITF Women Stuttgart | 2018/01/25 12:55 | Koelzer, Romy v Nina Alibalic | 3-6,6-4,1-6 |
| ITF Women Stuttgart | 2018/01/23 16:40 | Krejsova, Petra v Koelzer, Romy | 1-6,2-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2017/11/14 14:00 | Koelzer, Romy v Aldila Sutjiadi | 6-3,4-6,1-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2017/11/10 14:00 | Koelzer, Romy v Lucia Bronzetti | 2-6,2-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2017/11/08 15:50 | Koelzer, Romy v Kitagawa, Rio | 6-3,6-1 |
| Obidos, Singles W-WITF-POR-12A | 2017/10/12 12:10 | Koelzer, Romy v Irina Khromacheva | 0-6,1-6 |
| ITF Women Solarino | 2018/02/27 08:00 | Nicole Gadient v Miriana Tona | 0-6,6-1,6-0 |
| ITF Women Solarino | 2018/02/25 10:30 | Nicole Gadient v Keens, Taro | 6-4,6-3 |
| ITF Women Solarino | 2018/02/19 08:00 | Nicole Gadient v Greet Minnen | 2-6,1-6 |
| ITF Women Solarino | 2018/02/18 08:30 | Nicole Gadient v Sara Ziodato | 6-0,6-7,6-4 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/02/11 09:00 | Clerici, Giada v Nicole Gadient | 6-1,6-3 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/02/10 06:00 | Nicole Gadient v Kaya, Balsen | 6-1,6-0 |
| ITF Women Trnava | 2018/02/04 10:00 | Senkarova, Adriana v Nicole Gadient | 0-6,7-5,7-5 |
| ITF Women Stuttgart | 2018/01/22 09:00 | Markova, Johana v Nicole Gadient | 6-2,6-3 |