Stadium: Court 6 Round: 25 Ground: Grass
| ITF W25 Trnava | 2019/02/12 09:00 | Paar, Laura-Ioana v Koelzer, Romy | 6-3,6-0 |
| ITF W25 Trnava | 2019/02/11 10:00 | Koelzer, Romy v Sabino, Lisa | 7-5,6-1 |
| ITF Women Norman | 2018/11/14 17:45 | Koelzer, Romy v Yuriko Lily Miyazaki | 3-6,3-6 |
| ITF Women Lawrence | 2018/11/09 20:00 | Caty McNally v Koelzer, Romy | 6-3,6-3 |
| ITF Women Lawrence | 2018/11/08 17:45 | Koelzer, Romy v Emma Navarro | 7-5,6-2 |
| ITF Women Lawrence | 2018/11/07 15:00 | Koelzer, Romy v Perper, Alexandra | 6-4,7-5 |
| ITF Women Lawrence | 2018/11/06 15:00 | Nefedova, Anastasia Evgenyevna v Koelzer, Romy | 2-6,5-7 |
| ITF Women Seville | 2018/10/15 07:30 | Koelzer, Romy v Horackova, Gabriela | 2-6,7-6,3-6 |
| ITF W60 Launceston | 2019/01/27 23:00 | Tammi Patterson v Wallace, Isabelle | 2-6,2-6 |
| Burnie, Simples W-ITF-AUS-02A | 2019/01/21 01:55 | Myers, Abbie v Tammi Patterson | 6-4,6-3 |
| ITF Women Cairns | 2018/09/19 02:50 | Tammi Patterson v Tomic, Sara | 6-7,6-3,6-2 |
| ITF Women Aschaffenburg | 2018/07/03 11:00 | Jorovic, Ivana v Tammi Patterson | 7-5,6-2 |
| ITF Women Stuttgart | 2018/06/26 13:00 | Tammi Patterson v Diana Marcinkevica | 5-7,2-6 |
| ITF Women Ilkley Qual | 2018/06/17 10:00 | Freya Christie v Tammi Patterson | 7-6,6-1 |
| ITF Women Manchester Qual | 2018/06/10 10:00 | Allen, Victoria v Tammi Patterson | 6-2,6-3 |
| ITF Women Surbiton Qual | 2018/06/02 11:10 | Victoria Duval v Tammi Patterson | 6-7,6-1,6-2 |