Stadium: Court 1 Round: 28 Ground: Clay
| ITF Women Palmanova | 2017/02/24 09:00 | Martina Colmegna v Gerlach, Katharina | 3-6,6-3,6-7 |
| ITF W25 Frydek Mistek | 2019/09/13 10:00 | Anna Siskova v Gerlach, Katharina | 1-6,2-6 |
| ITF W25 Frydek Mistek | 2019/09/12 12:10 | Nika Radisic v Gerlach, Katharina | 3-6,2-6 |
| ITF W25 Frydek Mistek | 2019/09/11 13:15 | Gerlach, Katharina v Valentini Grammatikopoulou | 6-0,6-2 |
| ITF W25 Braunschweig | 2019/08/25 09:30 | Cagla Buyukakcay v Gerlach, Katharina | 6-4,6-2 |
| ITF W25 Braunschweig | 2019/08/24 12:10 | Reka-Luca Jani v Gerlach, Katharina | 6-2,6-7,3-6 |
| ITF W25 Braunschweig | 2019/08/23 13:05 | Gerlach, Katharina v Ferrando, Cristiana | 6-3,6-2 |
| ITF W25 Braunschweig | 2019/08/22 11:55 | Kathinka Von Deichmann v Gerlach, Katharina | 4-6,6-0,3-6 |
| ITF W25 Braunschweig | 2019/08/21 14:50 | Gerlach, Katharina v Yana Morderger | 6-2,7-6 |
| ITF W25 Frydek Mistek | 2019/09/13 09:00 | Martina Colmegna v Pemra Ozgen | 6-4,6-1 |
| ITF W25 Frydek Mistek | 2019/09/12 09:00 | Lea Boskovic v Martina Colmegna | 4-6,2-6 |
| ITF W25 Frydek Mistek | 2019/09/11 13:00 | Denisa Hindova v Martina Colmegna | 6-2,5-7,4-6 |
| Bagnatica, Singles Qualifying W-ITF-ITA-19A | 2019/08/28 13:00 | Martina Trevisan v Martina Colmegna | 6-2,6-3 |
| Bagnatica, Singles Qualifying W-ITF-ITA-19A | 2019/08/26 17:25 | Martina Colmegna v Kordolaimi, Eleni | 6-1,6-2 |
| Bagnatica, Singles Qualifying W-ITF-ITA-19A | 2019/08/26 08:00 | Martina Colmegna v Lisa Pigato | 6-4,7-6 |
| Cordenons, Singles Qualifying W-ITF-ITA-22A | 2019/08/06 13:50 | Scala, Camilla v Martina Colmegna | 6-3,6-0 |
| ITF W25 Olomouc | 2019/07/18 10:25 | Martina Colmegna v Markova, Johana | 4-6,6-2,3-6 |