Round: 54 Ground: Clay
| ITF W25 Verbier | 2019/08/26 09:00 | Nadine Keller v Brescia, Georgia | 4-6,1-6 |
| Oldenzaal, Singles W-ITF-NED-03A | 2019/08/15 11:30 | Manon Leonard v Nadine Keller | 6-1,6-3 |
| Oldenzaal, Singles W-ITF-NED-03A | 2019/08/14 11:55 | Orange, Margaux v Nadine Keller | 6-4,4-6,1-6 |
| Oldenzaal, Singles W-ITF-NED-03A | 2019/08/13 09:00 | Nadine Keller v Fritsch, Celine | 6-0,6-0 |
| Olomouc, Singles Qualifying W-ITF-CZE-07A | 2019/08/06 09:05 | Nadine Keller v Pokorna, Barbora | 6-2,4-6,6-10 |
| Olomouc, Singles Qualifying W-ITF-CZE-07A | 2019/08/05 11:00 | Nadine Keller v Csabi, Petra | 7-6,6-2 |
| ITF W25 Klosters | 2019/06/17 12:00 | Manon Leonard v Nadine Keller | 6-4,7-5 |
| ITF W25 Klosters | 2019/06/17 07:00 | Nadine Keller v Nikola Breckova | 7-6,6-1 |
| ITF W15 Dijon | 2019/09/09 10:30 | Praefke, Pia v Sanna, Micol | 6-3,6-4 |
| ITF Women Lenzerheide Qual | 2017/06/17 08:00 | Praefke, Pia v Wagner, Julia | 5-7,3-6 |