Stadium: Cancha 3 Round: 45 Ground: Clay
| ITF Women Torun | 2018/06/26 16:05 | Katarzyna Piter v Marina Melnikova | 6-4,5-7,3-6 |
| ITF Women Shrewsbury | 2017/11/07 10:00 | Katarzyna Piter v Marina Melnikova | 3-6,6-2,3-6 |
| WTA Guadalajara | 2021/03/06 23:20 | Olga Govortsova v Katarzyna Piter | 6-0,6-2 |
| WTA Abu Dhabi | 2021/01/05 08:05 | Katarzyna Piter v Jessica Pieri | 4-6,0-6 |
| ITF W80 Tyler | 2020/10/26 19:20 | Mayo Hibi v Katarzyna Piter | 6-4,6-7,10-5 |
| ITF W60 Saint Malo | 2020/09/08 09:45 | Katarzyna Piter v Flavie Brugnone | 0-6,3-6 |
| Polish National Tour Women | 2020/08/24 09:30 | Katarzyna Piter v Weronika Falkowska | 4-6,6-3,3-6 |
| Polish National Tour Women | 2020/08/23 17:20 | Katarzyna Piter v Julia Oczachowska | 6-0,6-0 |
| Polish National Tour Women | 2020/08/23 09:30 | Katarzyna Piter v Alicja Formella | 6-2,6-1 |
| Polish National Tour Women | 2020/08/18 09:00 | Katarzyna Piter v Martyna Kubka | 4-6,3-6 |
| WTA St. Petersburg | 2021/03/13 08:00 | Xinyu Wang v Marina Melnikova | 6-2,6-3 |
| ITF W25 Manacor | 2021/03/04 08:55 | Marina Melnikova v Marina Bassols Ribera | 4-6,2-6 |
| ITF W25 Manacor | 2021/03/02 12:00 | Marina Melnikova v Maria G Carrasco | 6-1,6-3 |
| ITF W25 Potchefstroom | 2021/02/16 14:20 | Dejana Radanovic v Marina Melnikova | 6-3,7-5 |
| ITF W25 Potchefstroom | 2021/02/10 09:30 | Jodie Anna Burrage v Marina Melnikova | 7-6,6-2 |
| Australian Open Women | 2021/01/10 07:50 | Timea Babos v Marina Melnikova | 6-3,6-3 |
| ITF W100 Dubai | 2020/12/06 06:00 | Amina Anshba v Marina Melnikova | 6-3,6-1 |
| French Open Women | 2020/09/22 12:35 | Francesca Di Lorenzo v Marina Melnikova | 6-4,6-0 |