Stadium: Court 8 Round: 26 Ground: Clay
| Grodzisk Mazowiecki, Singles W-ITF-POL-04A | 2019/07/31 11:30 | Piter, Katarzyna v Timea Jaruskova | 6-1,6-4 |
| Bytom, Singles W-ITF-POL-03A | 2019/07/27 10:00 | Nina Potocnik v Piter, Katarzyna | 5-7,6-4,6-1 |
| Bytom, Singles W-ITF-POL-03A | 2019/07/26 11:00 | Soylu, Ipek v Piter, Katarzyna | 5-7,6-1,4-6 |
| Bytom, Singles W-ITF-POL-03A | 2019/07/25 12:30 | Kubanova, Karolina v Piter, Katarzyna | 1-6,1-6 |
| Bytom, Singles W-ITF-POL-03A | 2019/07/24 08:00 | Marcelina Podlinska v Piter, Katarzyna | 1-6,1-6 |
| ITF W25 Den Haag | 2019/07/03 15:10 | Piter, Katarzyna v Cagla Buyukakcay | 5-7,6-4,2-6 |
| ITF W25 Darmstadt | 2019/06/27 10:00 | Govortsova, Olga v Piter, Katarzyna | 6-0,6-2 |
| ITF W25 Darmstadt | 2019/06/25 16:00 | Koelzer, Romy v Piter, Katarzyna | 5-7,6-2,2-6 |
| Grodzisk Mazowiecki, Singles W-ITF-POL-04A | 2019/07/30 16:45 | Shoshyna, Anastasiya v Dema, Viktoriia | 3-6,4-6 |
| Bytom, Singles W-ITF-POL-03A | 2019/07/24 12:15 | Chernyshova, Maryna v Dema, Viktoriia | 3-6,6-1,6-3 |
| ITF W15 Prokuplje | 2019/07/12 12:30 | Dema, Viktoriia v Seone Mendez | 6-7,1-6 |
| ITF W15 Prokuplje | 2019/07/12 09:00 | Dema, Viktoriia v Mesochoritou, Galateia | 7-6,6-2 |
| ITF W15 Prokuplje | 2019/07/09 10:00 | Dema, Viktoriia v Taisiya Pachkaleva | 6-3,6-1 |
| ITF W15 Prokuplje | 2019/07/05 09:05 | Seone Mendez v Dema, Viktoriia | 6-4,7-6 |
| ITF W15 Prokuplje | 2019/07/04 10:05 | Kozyreva, Polina v Dema, Viktoriia | 0-6,2-6 |
| ITF W15 Prokuplje | 2019/07/03 09:05 | Malesevic, Tamara v Dema, Viktoriia | 0-6,4-6 |