Stadium: Court 4 Round: 25 Ground: Clay
| ITF W15 Haren | 2019/09/01 09:30 | Sina Herrmann v Djoubri, Salma | 1-6,0-6 |
| ITF W15 Haren | 2019/08/31 13:00 | Arbuthnott, Emily v Sina Herrmann | 6-1,3-6,2-6 |
| ITF W15 Haren | 2019/08/30 12:30 | Sina Herrmann v Pribylova, Anna | 6-3,6-1 |
| ITF W15 Haren | 2019/08/29 17:30 | Nab, Annelou v Sina Herrmann | 0-6,2-6 |
| ITF W15 Haren | 2019/08/28 10:30 | Sina Herrmann v Glaude, Laure Line | 6-0,6-2 |
| ITF W15 Wanfercee-Baulet | 2019/08/20 07:30 | Sina Herrmann v Mader, Corina | 3-6,6-4,9-11 |
| ITF W15 Wanfercee-Baulet | 2019/08/19 09:00 | Sina Herrmann v Laura Boehner | 7-5,6-1 |
| Oldenzaal, Singles W-ITF-NED-03A | 2019/08/14 08:00 | Sina Herrmann v Vidmanova, Darja | 4-6,6-4,0-6 |
| ITF W25 Prague | 2019/08/30 09:00 | Haas, Barbara v Piter, Katarzyna | 6-2,5-7,6-4 |
| ITF W25 Prague | 2019/08/28 09:50 | Gervais, Julie v Piter, Katarzyna | 4-6,5-7 |
| ITF W25 Braunschweig | 2019/08/22 13:30 | Cagla Buyukakcay v Piter, Katarzyna | 4-6,6-4,6-3 |
| ITF W25 Braunschweig | 2019/08/21 15:00 | Koelzer, Romy v Piter, Katarzyna | 4-6,6-4,6-7 |
| Varsovie, Simples W-ITF-POL-02A | 2019/08/08 10:00 | Piter, Katarzyna v Yue Yuan | 5-7,3-6 |
| Varsovie, Simples W-ITF-POL-02A | 2019/08/07 08:00 | Piter, Katarzyna v Chernyshova, Maryna | 6-3,6-4 |
| Grodzisk Mazowiecki, Singles W-ITF-POL-04A | 2019/08/03 12:30 | Maja Chwalinska v Piter, Katarzyna | 6-2,6-2 |
| Grodzisk Mazowiecki, Singles W-ITF-POL-04A | 2019/08/02 13:40 | Piter, Katarzyna v Ulrikke Eikeri | 6-3,7-6 |