Stadium: Court 7 Round: 1
| Eastern European Championship Women | 2020/07/09 19:25 | Viktoriya Tomova v Piter, Katarzyna | 3-6,6-3,6-3 |
| Eastern European Championship Women | 2020/07/08 12:00 | Piter, Katarzyna v Bonic, Barbara | 6-0,6-0 |
| Eastern European Championship Women | 2020/07/08 10:00 | Piter, Katarzyna v Bonic, Barbara | 6-0,6-0 |
| Eastern European Championship Women | 2020/07/03 12:00 | Kovinic, Danka v Piter, Katarzyna | 6-2,6-4 |
| Eastern European Championship Women | 2020/07/02 11:55 | Piter, Katarzyna v Bojana Marinkovic | 6-0,6-1 |
| Eastern European Championship Women | 2020/06/30 09:20 | Piter, Katarzyna v Joksovic, Doroteja | 6-2,6-3 |
| Eastern European Championship Women | 2020/06/29 14:00 | Piter, Katarzyna v Basak Eraydin | 6-1,6-0 |
| Polish National Tour Women | 2020/06/23 08:00 | Piter, Katarzyna v Martyna Kubka | 2-6,1-6 |
| Eastern European Championship Women | 2020/07/09 12:10 | Bonic, Barbara v Mihaela Djakovic | 6-4,3-6,6-4 |
| Eastern European Championship Women | 2020/07/07 12:00 | Viktoriya Tomova v Mihaela Djakovic | 6-2,6-4 |
| Eastern European Championship Women | 2020/07/06 08:00 | Natalija Stevanovic v Mihaela Djakovic | 6-4,6-2 |
| Eastern European Championship Women | 2020/07/01 09:00 | Ani Vangelova v Mihaela Djakovic | 4-6,3-6 |
| Eastern European Championship Women | 2020/06/30 11:10 | Dejana Radanovic v Mihaela Djakovic | 7-6,6-0 |
| Eastern European Championship Women | 2020/06/29 16:00 | Jorovic, Ivana v Mihaela Djakovic | 6-1,7-6 |
| Adriatic Tennis Series Women | 2020/06/09 14:00 | Mihaela Djakovic v Natalija Senic | 2-6,4-6 |
| Jodhpur, Singles Qualifying W-ITF-IND-01A | 2020/02/18 04:00 | Mihaela Djakovic v Francesca Jones | 6-4,2-6,3-6 |