Stadium: C Round: 26
| ITF Women Bastad | 2018/06/26 08:45 | Koelzer, Romy v Zmau, Michele Alexandra | 1-6,6-1,7-5 |
| ITF Women Ystad | 2018/06/21 14:15 | Kaja Juvan v Koelzer, Romy | 6-1,7-5 |
| ITF Women Ystad | 2018/06/20 08:15 | Caijsa W Hennemann v Koelzer, Romy | 7-6,1-6,2-6 |
| ITF Women Ystad | 2018/06/19 10:55 | Koelzer, Romy v Polina Leykina | 6-4,6-2 |
| ITF Women Oeiras | 2018/05/24 17:00 | Lucia Martinez v Koelzer, Romy | 7-5,3-6,6-3 |
| ITF Women Oeiras | 2018/05/23 11:15 | Kokeladze, Kamilla v Koelzer, Romy | 2-6,4-6 |
| ITF Women Wiesbaden | 2018/04/26 09:00 | Koelzer, Romy v Zimmermann, Kimberley | 3-6,1-6 |
| ITF Women Wiesbaden | 2018/04/25 09:00 | Anna Bondar v Koelzer, Romy | 6-2,3-6,6-7 |
| ITF Women Bastad | 2018/06/27 10:15 | Bukta, Agnes v Isabella Shinikova | 0-6,1-6 |
| ITF Women Klosters | 2018/06/23 08:30 | Isabella Shinikova v Kolodziejova, Miriam | 7-5,4-6,1-6 |
| ITF Women Klosters | 2018/06/22 08:00 | Isabella Shinikova v Leonie Kung | 6-4,6-3 |
| ITF Women Klosters | 2018/06/21 08:00 | Sarah Rebecca Sekulic v Isabella Shinikova | 2-6,2-6 |
| ITF Women Klosters | 2018/06/20 11:15 | Isabella Shinikova v Gatto-Monticone, Giulia | 6-1,2-6,7-5 |
| ITF Women Klosters | 2018/06/19 08:00 | Isabella Shinikova v Sabino, Lisa | 6-3,6-4 |
| ITF Women Essen | 2018/06/12 16:55 | Schnyder, Patty v Isabella Shinikova | 6-4,6-1 |
| ITF Women Stare Splavy | 2018/06/09 10:40 | Kilnarova, Monika v Isabella Shinikova | 7-6,6-4 |