Stadium: Central Round: 25
| ITF Women Bagnatica | 2018/09/01 14:00 | Jasmine Paolini v Zimmermann, Kimberley | 7-6,6-1 |
| ITF Women Bagnatica | 2018/08/29 12:00 | Zimmermann, Kimberley v Ylena In-Albon | 7-5,4-6,6-4 |
| ITF Women Bagnatica | 2018/08/28 07:30 | Zanevska, Maryna v Zimmermann, Kimberley | 6-2,3-6,2-6 |
| ITF Women LPD Gran Canaria | 2018/08/17 11:45 | Chloe Paquet v Zimmermann, Kimberley | 6-2,7-6 |
| ITF Women LPD Gran Canaria | 2018/08/16 11:35 | Martina Colmegna v Zimmermann, Kimberley | 6-3,5-7,2-6 |
| ITF Women LPD Gran Canaria | 2018/08/15 09:00 | Mirjam Bjorklund v Zimmermann, Kimberley | 2-6,2-6 |
| ITF Women LPD Gran Canaria | 2018/08/14 09:00 | de Santis, Elena v Zimmermann, Kimberley | 0-6,0-6 |
| Koksijde, Singles W-WITF-BEL-04A | 2018/08/08 11:00 | Molinaro, Eleonora v Zimmermann, Kimberley | 7-5,6-4 |
| ITF Women Montreux | 2018/09/04 08:00 | Tatiana Pieri v Andreea Mitu | 2-6,0-6 |
| ITF Women Montreux | 2018/09/03 09:00 | Andreea Mitu v Varvara Gracheva | 7-5,7-6 |
| ITF Women Montreux | 2018/09/02 08:00 | Ho, Jessica v Andreea Mitu | 4-6,2-6 |
| ITF Women Bucharest | 2018/08/23 08:50 | Gaspar-Ivan, Ioana v Andreea Mitu | 7-6,5-7,6-3 |
| ITF Women Bucharest | 2018/08/22 08:50 | Gebriela Mihaylova v Andreea Mitu | 1-6,7-6,4-6 |
| ITF Women Arad | 2018/08/12 08:30 | Nefisa Berberovic v Andreea Mitu | 6-3,0-6,6-4 |
| ITF Women Arad | 2018/08/11 08:30 | Karvouni, Vasiliki v Andreea Mitu | 0-6,0-6 |
| ITF Women Arad | 2018/08/10 14:00 | Andreea Mitu v Georgia Andreea Craciun | 6-2,6-4 |