Stadium: CENTER Round: 27
| 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 |
| Koksijde, Singles W-WITF-BEL-04A | 2018/08/06 16:30 | Bovy, Margaux v Zimmermann, Kimberley | 1-6,3-6 |
| ITF Women Bagnatica | 2018/08/30 17:00 | Reix, Sherazad v Jessica Pieri | 3-6,3-6 |
| ITF Women Bagnatica | 2018/08/28 08:50 | Wallace, Isabelle v Jessica Pieri | 6-4,4-6,0-6 |
| US Open Women | 2018/08/23 19:15 | Lin Zhu v Jessica Pieri | 2-6,6-2,6-1 |
| US Open Women | 2018/08/22 15:00 | Kovinic, Danka v Jessica Pieri | 2-6,4-6 |
| Vancouver, Singles W-WITF-CAN-01A | 2018/08/13 18:45 | Doi, Misaki v Jessica Pieri | 6-0,4-6,6-1 |
| Vancouver, Singles W-WITF-CAN-01A | 2018/08/12 19:30 | Jessica Pieri v Jaimee Fourlis | 7-5,6-2 |
| WTA Moscow Qual | 2018/07/22 07:00 | Jessica Pieri v Valentini Grammatikopoulou | 2-6,4-6 |
| WTA Gstaad Qual | 2018/07/15 09:00 | Veronika Kudermetova v Jessica Pieri | 6-7,6-1,6-2 |